117808462312417 has 2 divisors, whose sum is σ = 117808462312418. Its totient is φ = 117808462312416.

The previous prime is 117808462312367. The next prime is 117808462312459. The reversal of 117808462312417 is 714213264808711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75942179099361 + 41866283213056 = 8714481^2 + 6470416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117808462312417 is a prime.

It is not a weakly prime, because it can be changed into another prime (117808462372417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58904231156208 + 58904231156209.

It is an arithmetic number, because the mean of its divisors is an integer number (58904231156209).

Almost surely, 2^{117808462312417} is an apocalyptic number.

It is an amenable number.

117808462312417 is a deficient number, since it is larger than the sum of its proper divisors (1).

117808462312417 is an equidigital number, since it uses as much as digits as its factorization.

117808462312417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3612672, while the sum is 55.

The spelling of 117808462312417 in words is "one hundred seventeen trillion, eight hundred eight billion, four hundred sixty-two million, three hundred twelve thousand, four hundred seventeen".