117957017 has 2 divisors, whose sum is σ = 117957018. Its totient is φ = 117957016.

The previous prime is 117957011. The next prime is 117957019. The reversal of 117957017 is 710759711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97199881 + 20757136 = 9859^2 + 4556^2 .

It is a cyclic number.

It is not a de Polignac number, because 117957017 - 2⁴ = 117957001 is a prime.

Together with 117957019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117957011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58978508 + 58978509.

It is an arithmetic number, because the mean of its divisors is an integer number (58978509).

Almost surely, 2^117957017 is an apocalyptic number.

It is an amenable number.

117957017 is a deficient number, since it is larger than the sum of its proper divisors (1).

117957017 is an equidigital number, since it uses as much as digits as its factorization.

117957017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15435, while the sum is 38.

The square root of 117957017 is about 10860.8018580582. The cubic root of 117957017 is about 490.4272505674.

The spelling of 117957017 in words is "one hundred seventeen million, nine hundred fifty-seven thousand, seventeen".