117905916792 has 64 divisors (see below), whose sum is σ = 313178659200. Its totient is φ = 36885456000.

The previous prime is 117905916781. The next prime is 117905916803. The reversal of 117905916792 is 297619509711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117905916781) and next prime (117905916803).

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 1159459 + ... + 1257042.

It is an arithmetic number, because the mean of its divisors is an integer number (4893416550).

Almost surely, 2^117905916792 is an apocalyptic number.

117905916792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117905916792 is an abundant number, since it is smaller than the sum of its proper divisors (195272742408).

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

117905916792 is a wasteful number, since it uses less digits than its factorization.

117905916792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416636 (or 2416632 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 57.

The spelling of 117905916792 in words is "one hundred seventeen billion, nine hundred five million, nine hundred sixteen thousand, seven hundred ninety-two".