87955811904 has 112 divisors (see below), whose sum is σ = 237644480768. Its totient is φ = 28703144448.

The previous prime is 87955811887. The next prime is 87955811917. The reversal of 87955811904 is 40911855978.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2075859 + ... + 2117805.

Almost surely, 2^87955811904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87955811904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118822240384).

87955811904 is an abundant number, since it is smaller than the sum of its proper divisors (149688668864).

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

87955811904 is a wasteful number, since it uses less digits than its factorization.

87955811904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42192 (or 42182 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 57.

The spelling of 87955811904 in words is "eighty-seven billion, nine hundred fifty-five million, eight hundred eleven thousand, nine hundred four".