87525504056 has 16 divisors (see below), whose sum is σ = 164116105800. Its totient is φ = 43761209184.

The previous prime is 87525504043. The next prime is 87525504061. The reversal of 87525504056 is 65040552578.

It is a super-2 number, since 2×87525504056² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87525504056.

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, 69191 + ... + 424073.

Almost surely, 2^87525504056 is an apocalyptic number.

It is an amenable number.

87525504056 is a deficient number, since it is larger than the sum of its proper divisors (76590601744).

87525504056 is a wasteful number, since it uses less digits than its factorization.

87525504056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385718 (or 385714 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 47.

The spelling of 87525504056 in words is "eighty-seven billion, five hundred twenty-five million, five hundred four thousand, fifty-six".