117816508 has 12 divisors (see below), whose sum is σ = 208663560. Its totient is φ = 58198352.

The previous prime is 117816481. The next prime is 117816521. The reversal of 117816508 is 805618711.

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, 177103 + ... + 177766.

It is an arithmetic number, because the mean of its divisors is an integer number (17388630).

Almost surely, 2^117816508 is an apocalyptic number.

It is an amenable number.

117816508 is a deficient number, since it is larger than the sum of its proper divisors (90847052).

117816508 is a wasteful number, since it uses less digits than its factorization.

117816508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354956 (or 354954 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 37.

The square root of 117816508 is about 10854.3313013746. The cubic root of 117816508 is about 490.2324428208.

The spelling of 117816508 in words is "one hundred seventeen million, eight hundred sixteen thousand, five hundred eight".