87518576 has 20 divisors (see below), whose sum is σ = 171957744. Its totient is φ = 43142400.

The previous prime is 87518573. The next prime is 87518593. The reversal of 87518576 is 67581578.

It is a happy number.

It is a super-2 number, since 2×87518576² = 15319002290135552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87518576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87518573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37385 + ... + 39656.

Almost surely, 2^87518576 is an apocalyptic number.

It is an amenable number.

87518576 is a deficient number, since it is larger than the sum of its proper divisors (84439168).

87518576 is a wasteful number, since it uses less digits than its factorization.

87518576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77120 (or 77114 counting only the distinct ones).

The product of its digits is 470400, while the sum is 47.

The square root of 87518576 is about 9355.1363432074. The cubic root of 87518576 is about 443.9834152288.

The spelling of 87518576 in words is "eighty-seven million, five hundred eighteen thousand, five hundred seventy-six".