117857056 has 24 divisors (see below), whose sum is σ = 245681100. Its totient is φ = 55461888.

The previous prime is 117857053. The next prime is 117857081. The reversal of 117857056 is 650758711.

It can be written as a sum of positive squares in 2 ways, for example, as 116208400 + 1648656 = 10780^2 + 1284^2 .

It is not an unprimeable number, because it can be changed into a prime (117857053) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 107781 + ... + 108868.

Almost surely, 2^117857056 is an apocalyptic number.

117857056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117857056 is an abundant number, since it is smaller than the sum of its proper divisors (127824044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117857056 is a wasteful number, since it uses less digits than its factorization.

117857056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216676 (or 216668 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 40.

The square root of 117857056 is about 10856.1989664891. The cubic root of 117857056 is about 490.2886762113.

The spelling of 117857056 in words is "one hundred seventeen million, eight hundred fifty-seven thousand, fifty-six".