117938992 has 20 divisors (see below), whose sum is σ = 232819920. Its totient is φ = 57856448.

The previous prime is 117938987. The next prime is 117938993. The reversal of 117938992 is 299839711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117938993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68692 + ... + 70387.

It is an arithmetic number, because the mean of its divisors is an integer number (11640996).

Almost surely, 2^117938992 is an apocalyptic number.

It is an amenable number.

117938992 is a deficient number, since it is larger than the sum of its proper divisors (114880928).

117938992 is a wasteful number, since it uses less digits than its factorization.

117938992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139140 (or 139134 counting only the distinct ones).

The product of its digits is 244944, while the sum is 49.

The square root of 117938992 is about 10859.9720073304. The cubic root of 117938992 is about 490.4022685818.

The spelling of 117938992 in words is "one hundred seventeen million, nine hundred thirty-eight thousand, nine hundred ninety-two".