87512468 has 12 divisors (see below), whose sum is σ = 154175700. Its totient is φ = 43462272.

The previous prime is 87512441. The next prime is 87512483. The reversal of 87512468 is 86421578.

It can be written as a sum of positive squares in 2 ways, for example, as 56130064 + 31382404 = 7492^2 + 5602^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72821 + ... + 74012.

It is an arithmetic number, because the mean of its divisors is an integer number (12847975).

Almost surely, 2^87512468 is an apocalyptic number.

It is an amenable number.

87512468 is a deficient number, since it is larger than the sum of its proper divisors (66663232).

87512468 is a wasteful number, since it uses less digits than its factorization.

87512468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146986 (or 146984 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 87512468 is about 9354.8098858288. The cubic root of 87512468 is about 443.9730863214.

The spelling of 87512468 in words is "eighty-seven million, five hundred twelve thousand, four hundred sixty-eight".