117988874 has 12 divisors (see below), whose sum is σ = 188007414. Its totient is φ = 55523904.

The previous prime is 117988867. The next prime is 117988889. The reversal of 117988874 is 478889711.

It can be written as a sum of positive squares in 3 ways, for example, as 101868649 + 16120225 = 10093^2 + 4015^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101489 + ... + 102644.

Almost surely, 2^117988874 is an apocalyptic number.

117988874 is a deficient number, since it is larger than the sum of its proper divisors (70018540).

117988874 is a wasteful number, since it uses less digits than its factorization.

117988874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204169 (or 204152 counting only the distinct ones).

The product of its digits is 903168, while the sum is 53.

The square root of 117988874 is about 10862.2683634681. The cubic root of 117988874 is about 490.4713969722.

The spelling of 117988874 in words is "one hundred seventeen million, nine hundred eighty-eight thousand, eight hundred seventy-four".