117170539 has 2 divisors, whose sum is σ = 117170540. Its totient is φ = 117170538.

The previous prime is 117170489. The next prime is 117170561. The reversal of 117170539 is 935071711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117170539 - 2²³ = 108781931 is a prime.

It is not a weakly prime, because it can be changed into another prime (117170839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58585269 + 58585270.

It is an arithmetic number, because the mean of its divisors is an integer number (58585270).

Almost surely, 2^117170539 is an apocalyptic number.

117170539 is a deficient number, since it is larger than the sum of its proper divisors (1).

117170539 is an equidigital number, since it uses as much as digits as its factorization.

117170539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615, while the sum is 34.

The square root of 117170539 is about 10824.5341239242. The cubic root of 117170539 is about 489.3348450932.

The spelling of 117170539 in words is "one hundred seventeen million, one hundred seventy thousand, five hundred thirty-nine".