117856672 has 12 divisors (see below), whose sum is σ = 232030386. Its totient is φ = 58928320.

The previous prime is 117856633. The next prime is 117856709. The reversal of 117856672 is 276658711.

It can be written as a sum of positive squares in only one way, i.e., 80353296 + 37503376 = 8964^2 + 6124^2 .

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 as a sum of consecutive naturals, namely, 1841479 + ... + 1841542.

Almost surely, 2^117856672 is an apocalyptic number.

It is an amenable number.

117856672 is a deficient number, since it is larger than the sum of its proper divisors (114173714).

117856672 is an equidigital number, since it uses as much as digits as its factorization.

117856672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683031 (or 3683023 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 117856672 is about 10856.1812807267. The cubic root of 117856672 is about 490.2881437272.

The spelling of 117856672 in words is "one hundred seventeen million, eight hundred fifty-six thousand, six hundred seventy-two".