It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 8 708 401 is not a prime number.
For example, 8 708 401 can be divided by 13: 8 708 401 / 13 = 669 877.
For 8 708 401 to be a prime number, it would have been required that 8 708 401 has only two divisors, i.e., itself and 1.
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8 708 401 is an odd number, because it is not evenly divisible by 2.
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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 8 708 401 is 2 951.
Therefore, the square root of 8 708 401 is an integer, and as a consequence 8 708 401 is a perfect square.
The square of a number (here 8 708 401) is the result of the product of this number (8 708 401) by itself (i.e., 8 708 401 × 8 708 401); the square of 8 708 401 is sometimes called "raising 8 708 401 to the power 2", or "8 708 401 squared".
The square of 8 708 401 is 75 836 247 976 801 because 8 708 401 × 8 708 401 = 8 708 4012 = 75 836 247 976 801.
As a consequence, 8 708 401 is the square root of 75 836 247 976 801.
The multiples of 8 708 401 are all integers evenly divisible by 8 708 401, that is all numbers such that the remainder of the division by 8 708 401 is zero. There are infinitely many multiples of 8 708 401. The smallest multiples of 8 708 401 are: