87107475456 has 72 divisors (see below), whose sum is σ = 251582434740. Its totient is φ = 29035819008.

The previous prime is 87107475437. The next prime is 87107475457. The reversal of 87107475456 is 65457470178.

87107475456 is a `hidden beast` number, since 87 + 10 + 7 + 4 + 7 + 545 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87107475457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2344510 + ... + 2381373.

Almost surely, 2^87107475456 is an apocalyptic number.

It is an amenable number.

87107475456 is an abundant number, since it is smaller than the sum of its proper divisors (164474959284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87107475456 is a wasteful number, since it uses less digits than its factorization.

87107475456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725911 (or 4725888 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 54.

The spelling of 87107475456 in words is "eighty-seven billion, one hundred seven million, four hundred seventy-five thousand, four hundred fifty-six".