117999792 has 30 divisors (see below), whose sum is σ = 330235932. Its totient is φ = 39333216.

The previous prime is 117999773. The next prime is 117999829. The reversal of 117999792 is 297999711.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 409578 + ... + 409865.

Almost surely, 2^117999792 is an apocalyptic number.

117999792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117999792 is an abundant number, since it is smaller than the sum of its proper divisors (212236140).

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

117999792 is a wasteful number, since it uses less digits than its factorization.

117999792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819457 (or 819448 counting only the distinct ones).

The product of its digits is 642978, while the sum is 54.

The square root of 117999792 is about 10862.7709172200. The cubic root of 117999792 is about 490.4865249566.

The spelling of 117999792 in words is "one hundred seventeen million, nine hundred ninety-nine thousand, seven hundred ninety-two".