117837988 has 12 divisors (see below), whose sum is σ = 206547712. Its totient is φ = 58824360.

The previous prime is 117837961. The next prime is 117837989. The reversal of 117837988 is 889738711.

It is not an unprimeable number, because it can be changed into a prime (117837989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20820 + ... + 25867.

Almost surely, 2^117837988 is an apocalyptic number.

It is an amenable number.

117837988 is a deficient number, since it is larger than the sum of its proper divisors (88709724).

117837988 is a wasteful number, since it uses less digits than its factorization.

117837988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47322 (or 47320 counting only the distinct ones).

The product of its digits is 677376, while the sum is 52.

The square root of 117837988 is about 10855.3207230372. The cubic root of 117837988 is about 490.2622336460.

The spelling of 117837988 in words is "one hundred seventeen million, eight hundred thirty-seven thousand, nine hundred eighty-eight".