117938856 has 32 divisors (see below), whose sum is σ = 336968640. Its totient is φ = 33696768.

The previous prime is 117938851. The next prime is 117938861. The reversal of 117938856 is 658839711.

It is an interprime number because it is at equal distance from previous prime (117938851) and next prime (117938861).

It is not an unprimeable number, because it can be changed into a prime (117938851) 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 7 ways as a sum of consecutive naturals, for example, 350841 + ... + 351176.

It is an arithmetic number, because the mean of its divisors is an integer number (10530270).

Almost surely, 2^117938856 is an apocalyptic number.

It is an amenable number.

117938856 is an abundant number, since it is smaller than the sum of its proper divisors (219029784).

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

117938856 is a wasteful number, since it uses less digits than its factorization.

117938856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702033 (or 702029 counting only the distinct ones).

The product of its digits is 362880, while the sum is 48.

The square root of 117938856 is about 10859.9657458023. The cubic root of 117938856 is about 490.4020800812.

The spelling of 117938856 in words is "one hundred seventeen million, nine hundred thirty-eight thousand, eight hundred fifty-six".