117813752 has 16 divisors (see below), whose sum is σ = 252458160. Its totient is φ = 50491584.

The previous prime is 117813739. The next prime is 117813763. The reversal of 117813752 is 257318711.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1051853 + ... + 1051964.

It is an arithmetic number, because the mean of its divisors is an integer number (15778635).

Almost surely, 2^117813752 is an apocalyptic number.

It is an amenable number.

117813752 is an abundant number, since it is smaller than the sum of its proper divisors (134644408).

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

117813752 is a wasteful number, since it uses less digits than its factorization.

117813752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103830 (or 2103826 counting only the distinct ones).

The product of its digits is 11760, while the sum is 35.

The square root of 117813752 is about 10854.2043467036. The cubic root of 117813752 is about 490.2286202350.

The spelling of 117813752 in words is "one hundred seventeen million, eight hundred thirteen thousand, seven hundred fifty-two".