It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 495 278 is not a prime number.
For example, 488 495 278 can be divided by 2: 488 495 278 / 2 = 244 247 639.
For 488 495 278 to be a prime number, it would have been required that 488 495 278 has only two divisors, i.e., itself and 1.
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488 495 278 is an even number, because it is evenly divisible by 2: 488 495 278 / 2 = 244 247 639.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 488 495 278 is about 22 101.929.
Thus, the square root of 488 495 278 is not an integer, and therefore 488 495 278 is not a square number.
The square of a number (here 488 495 278) is the result of the product of this number (488 495 278) by itself (i.e., 488 495 278 × 488 495 278); the square of 488 495 278 is sometimes called "raising 488 495 278 to the power 2", or "488 495 278 squared".
The square of 488 495 278 is 238 627 636 628 297 280 because 488 495 278 × 488 495 278 = 488 495 2782 = 238 627 636 628 297 280.
As a consequence, 488 495 278 is the square root of 238 627 636 628 297 280.
488 495 278 is a number with 9 digits.
The multiples of 488 495 278 are all integers evenly divisible by 488 495 278, that is all numbers such that the remainder of the division by 488 495 278 is zero. There are infinitely many multiples of 488 495 278. The smallest multiples of 488 495 278 are: