117888856 has 32 divisors (see below), whose sum is σ = 226137600. Its totient is φ = 57601440.

The previous prime is 117888851. The next prime is 117888887. The reversal of 117888856 is 658888711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117888851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64191 + ... + 66001.

It is an arithmetic number, because the mean of its divisors is an integer number (7066800).

Almost surely, 2^117888856 is an apocalyptic number.

It is an amenable number.

117888856 is a deficient number, since it is larger than the sum of its proper divisors (108248744).

117888856 is a wasteful number, since it uses less digits than its factorization.

117888856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999 (or 1995 counting only the distinct ones).

The product of its digits is 860160, while the sum is 52.

The square root of 117888856 is about 10857.6634687211. The cubic root of 117888856 is about 490.3327685448.

The spelling of 117888856 in words is "one hundred seventeen million, eight hundred eighty-eight thousand, eight hundred fifty-six".