78734360112 has 20 divisors (see below), whose sum is σ = 203397097080. Its totient is φ = 26244786688.

The previous prime is 78734360093. The next prime is 78734360143. The reversal of 78734360112 is 21106343787.

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, 820149537 + ... + 820149632.

It is an arithmetic number, because the mean of its divisors is an integer number (10169854854).

Almost surely, 2^78734360112 is an apocalyptic number.

It is an amenable number.

78734360112 is an abundant number, since it is smaller than the sum of its proper divisors (124662736968).

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

78734360112 is a wasteful number, since it uses less digits than its factorization.

78734360112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640299180 (or 1640299174 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 78734360112 in words is "seventy-eight billion, seven hundred thirty-four million, three hundred sixty thousand, one hundred twelve".