117656057 has 2 divisors, whose sum is σ = 117656058. Its totient is φ = 117656056.

The previous prime is 117656051. The next prime is 117656107. The reversal of 117656057 is 750656711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111915241 + 5740816 = 10579^2 + 2396^2 .

It is a cyclic number.

It is not a de Polignac number, because 117656057 - 2¹⁴ = 117639673 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117656057.

It is not a weakly prime, because it can be changed into another prime (117656051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58828028 + 58828029.

It is an arithmetic number, because the mean of its divisors is an integer number (58828029).

Almost surely, 2^117656057 is an apocalyptic number.

It is an amenable number.

117656057 is a deficient number, since it is larger than the sum of its proper divisors (1).

117656057 is an equidigital number, since it uses as much as digits as its factorization.

117656057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 117656057 is about 10846.9376784418. The cubic root of 117656057 is about 490.0097971108.

The spelling of 117656057 in words is "one hundred seventeen million, six hundred fifty-six thousand, fifty-seven".