87965032832 has 32 divisors (see below), whose sum is σ = 185551245720. Its totient is φ = 41395308544.

The previous prime is 87965032829. The next prime is 87965032861. The reversal of 87965032832 is 23823056978.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×87965032832² (a number of 23 digits) contains 22 as substring.

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, 20210378 + ... + 20214729.

Almost surely, 2^87965032832 is an apocalyptic number.

It is an amenable number.

87965032832 is an abundant number, since it is smaller than the sum of its proper divisors (97586212888).

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

87965032832 is a wasteful number, since it uses less digits than its factorization.

87965032832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40425138 (or 40425126 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 87965032832 in words is "eighty-seven billion, nine hundred sixty-five million, thirty-two thousand, eight hundred thirty-two".