117312079 has 2 divisors, whose sum is σ = 117312080. Its totient is φ = 117312078.

The previous prime is 117312043. The next prime is 117312101. The reversal of 117312079 is 970213711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117312079 - 2¹⁷ = 117181007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117312079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117312179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58656039 + 58656040.

It is an arithmetic number, because the mean of its divisors is an integer number (58656040).

Almost surely, 2^117312079 is an apocalyptic number.

117312079 is a deficient number, since it is larger than the sum of its proper divisors (1).

117312079 is an equidigital number, since it uses as much as digits as its factorization.

117312079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 117312079 is about 10831.0700764052. The cubic root of 117312079 is about 489.5318018390.

The spelling of 117312079 in words is "one hundred seventeen million, three hundred twelve thousand, seventy-nine".