87417158725 has 24 divisors (see below), whose sum is σ = 118334677832. Its totient is φ = 63669888000.

The previous prime is 87417158701. The next prime is 87417158789. The reversal of 87417158725 is 52785171478.

It can be written as a sum of positive squares in 12 ways, for example, as 16515848196 + 70901310529 = 128514^2 + 266273^2 .

It is not a de Polignac number, because 87417158725 - 2⁷ = 87417158597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1818576 + ... + 1866025.

Almost surely, 2^87417158725 is an apocalyptic number.

It is an amenable number.

87417158725 is a deficient number, since it is larger than the sum of its proper divisors (30917519107).

87417158725 is a wasteful number, since it uses less digits than its factorization.

87417158725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684697 (or 3684692 counting only the distinct ones).

The product of its digits is 4390400, while the sum is 55.

The spelling of 87417158725 in words is "eighty-seven billion, four hundred seventeen million, one hundred fifty-eight thousand, seven hundred twenty-five".