87563113916 has 48 divisors (see below), whose sum is σ = 156275110656. Its totient is φ = 42920025984.

The previous prime is 87563113889. The next prime is 87563113933. The reversal of 87563113916 is 61931136578.

It is a congruent number.

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, 64054265 + ... + 64055631.

It is an arithmetic number, because the mean of its divisors is an integer number (3255731472).

Almost surely, 2^87563113916 is an apocalyptic number.

It is an amenable number.

87563113916 is a deficient number, since it is larger than the sum of its proper divisors (68711996740).

87563113916 is a wasteful number, since it uses less digits than its factorization.

87563113916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418 (or 2416 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The spelling of 87563113916 in words is "eighty-seven billion, five hundred sixty-three million, one hundred thirteen thousand, nine hundred sixteen".