117988872 has 16 divisors (see below), whose sum is σ = 294972240. Its totient is φ = 39329616.

The previous prime is 117988867. The next prime is 117988889. The reversal of 117988872 is 278889711.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2458078 + ... + 2458125.

It is an arithmetic number, because the mean of its divisors is an integer number (18435765).

Almost surely, 2^117988872 is an apocalyptic number.

117988872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117988872 is an abundant number, since it is smaller than the sum of its proper divisors (176983368).

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

117988872 is a wasteful number, since it uses less digits than its factorization.

117988872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916212 (or 4916208 counting only the distinct ones).

The product of its digits is 451584, while the sum is 51.

The square root of 117988872 is about 10862.2682714063. The cubic root of 117988872 is about 490.4713942009.

The spelling of 117988872 in words is "one hundred seventeen million, nine hundred eighty-eight thousand, eight hundred seventy-two".