117879808 has 22 divisors (see below), whose sum is σ = 235646546. Its totient is φ = 58939392.

The previous prime is 117879787. The next prime is 117879821. The reversal of 117879808 is 808978711.

It can be written as a sum of positive squares in only one way, i.e., 117679104 + 200704 = 10848^2 + 448^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56535 + ... + 58582.

Almost surely, 2^117879808 is an apocalyptic number.

It is an amenable number.

117879808 is a deficient number, since it is larger than the sum of its proper divisors (117766738).

117879808 is an equidigital number, since it uses as much as digits as its factorization.

117879808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115137 (or 115119 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 49.

The square root of 117879808 is about 10857.2467964950. The cubic root of 117879808 is about 490.3202238352.

The spelling of 117879808 in words is "one hundred seventeen million, eight hundred seventy-nine thousand, eight hundred eight".