78876364936 has 32 divisors (see below), whose sum is σ = 149226897600. Its totient is φ = 39083353920.

The previous prime is 78876364927. The next prime is 78876364949. The reversal of 78876364936 is 63946367887.

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, 716845 + ... + 819523.

It is an arithmetic number, because the mean of its divisors is an integer number (4663340550).

Almost surely, 2^78876364936 is an apocalyptic number.

It is an amenable number.

78876364936 is a deficient number, since it is larger than the sum of its proper divisors (70350532664).

78876364936 is a wasteful number, since it uses less digits than its factorization.

78876364936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103549 (or 103545 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 67.

The spelling of 78876364936 in words is "seventy-eight billion, eight hundred seventy-six million, three hundred sixty-four thousand, nine hundred thirty-six".