117820868 has 12 divisors (see below), whose sum is σ = 224930832. Its totient is φ = 53554920.

The previous prime is 117820861. The next prime is 117820873. The reversal of 117820868 is 868028711.

It is not an unprimeable number, because it can be changed into a prime (117820861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338830 + ... + 1338917.

It is an arithmetic number, because the mean of its divisors is an integer number (18744236).

Almost surely, 2^117820868 is an apocalyptic number.

It is an amenable number.

117820868 is a deficient number, since it is larger than the sum of its proper divisors (107109964).

117820868 is a wasteful number, since it uses less digits than its factorization.

117820868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677762 (or 2677760 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 41.

The square root of 117820868 is about 10854.5321409999. The cubic root of 117820868 is about 490.2384900410.

The spelling of 117820868 in words is "one hundred seventeen million, eight hundred twenty thousand, eight hundred sixty-eight".