It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 800 671 488 is not a prime number.
For example, 800 671 488 can be divided by 2: 800 671 488 / 2 = 400 335 744.
For 800 671 488 to be a prime number, it would have been required that 800 671 488 has only two divisors, i.e., itself and 1.
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800 671 488 is an even number, because it is evenly divisible by 2: 800 671 488 / 2 = 400 335 744.
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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 800 671 488 is about 28 296.139.
Thus, the square root of 800 671 488 is not an integer, and therefore 800 671 488 is not a square number.
The square of a number (here 800 671 488) is the result of the product of this number (800 671 488) by itself (i.e., 800 671 488 × 800 671 488); the square of 800 671 488 is sometimes called "raising 800 671 488 to the power 2", or "800 671 488 squared".
The square of 800 671 488 is 641 074 831 696 134 144 because 800 671 488 × 800 671 488 = 800 671 4882 = 641 074 831 696 134 144.
As a consequence, 800 671 488 is the square root of 641 074 831 696 134 144.
800 671 488 is a number with 9 digits.
The multiples of 800 671 488 are all integers evenly divisible by 800 671 488, that is all numbers such that the remainder of the division by 800 671 488 is zero. There are infinitely many multiples of 800 671 488. The smallest multiples of 800 671 488 are: