117507057 has 4 divisors (see below), whose sum is σ = 156676080. Its totient is φ = 78338036.

The previous prime is 117507053. The next prime is 117507067. The reversal of 117507057 is 750705711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117507057 - 2² = 117507053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117507053) 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, 19584507 + ... + 19584512.

It is an arithmetic number, because the mean of its divisors is an integer number (39169020).

Almost surely, 2^117507057 is an apocalyptic number.

It is an amenable number.

117507057 is a deficient number, since it is larger than the sum of its proper divisors (39169023).

117507057 is an equidigital number, since it uses as much as digits as its factorization.

117507057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39169022.

The product of its (nonzero) digits is 8575, while the sum is 33.

The square root of 117507057 is about 10840.0672045887. The cubic root of 117507057 is about 489.8028597490.

The spelling of 117507057 in words is "one hundred seventeen million, five hundred seven thousand, fifty-seven".