87947707832 has 32 divisors (see below), whose sum is σ = 181128009600. Its totient is φ = 39848158944.

The previous prime is 87947707811. The next prime is 87947707909. The reversal of 87947707832 is 23870774978.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12574838 + ... + 12581829.

It is an arithmetic number, because the mean of its divisors is an integer number (5660250300).

Almost surely, 2^87947707832 is an apocalyptic number.

It is an amenable number.

87947707832 is an abundant number, since it is smaller than the sum of its proper divisors (93180301768).

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

87947707832 is a wasteful number, since it uses less digits than its factorization.

87947707832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25156715 (or 25156711 counting only the distinct ones).

The product of its (nonzero) digits is 33191424, while the sum is 62.

The spelling of 87947707832 in words is "eighty-seven billion, nine hundred forty-seven million, seven hundred seven thousand, eight hundred thirty-two".