117457756 has 12 divisors (see below), whose sum is σ = 221362792. Its totient is φ = 54211248.

The previous prime is 117457751. The next prime is 117457759. The reversal of 117457756 is 657754711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117457751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129350 + ... + 1129453.

Almost surely, 2^117457756 is an apocalyptic number.

It is an amenable number.

117457756 is a deficient number, since it is larger than the sum of its proper divisors (103905036).

117457756 is a wasteful number, since it uses less digits than its factorization.

117457756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258820 (or 2258818 counting only the distinct ones).

The product of its digits is 205800, while the sum is 43.

The square root of 117457756 is about 10837.7929487511. The cubic root of 117457756 is about 489.7343499666.

The spelling of 117457756 in words is "one hundred seventeen million, four hundred fifty-seven thousand, seven hundred fifty-six".