117820756 has 6 divisors (see below), whose sum is σ = 206186330. Its totient is φ = 58910376.

The previous prime is 117820753. The next prime is 117820763. The reversal of 117820756 is 657028711.

It can be written as a sum of positive squares in only one way, i.e., 100681156 + 17139600 = 10034^2 + 4140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117820751) 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 as a sum of consecutive naturals, namely, 14727591 + ... + 14727598.

Almost surely, 2^117820756 is an apocalyptic number.

It is an amenable number.

117820756 is a deficient number, since it is larger than the sum of its proper divisors (88365574).

117820756 is a wasteful number, since it uses less digits than its factorization.

117820756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29455193 (or 29455191 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 117820756 is about 10854.5269818634. The cubic root of 117820756 is about 490.2383347014.

The spelling of 117820756 in words is "one hundred seventeen million, eight hundred twenty thousand, seven hundred fifty-six".