83117707076217 has 24 divisors (see below), whose sum is σ = 121838809656928. Its totient is φ = 50364265691520.

The previous prime is 83117707076203. The next prime is 83117707076227. The reversal of 83117707076217 is 71267070771138.

It is not a de Polignac number, because 83117707076217 - 2⁶ = 83117707076153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83117707076227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21146848 + ... + 24767409.

Almost surely, 2^{83117707076217} is an apocalyptic number.

It is an amenable number.

83117707076217 is a deficient number, since it is larger than the sum of its proper divisors (38721102580711).

83117707076217 is a wasteful number, since it uses less digits than its factorization.

83117707076217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45919269 (or 45919258 counting only the distinct ones).

The product of its (nonzero) digits is 4840416, while the sum is 57.

The spelling of 83117707076217 in words is "eighty-three trillion, one hundred seventeen billion, seven hundred seven million, seventy-six thousand, two hundred seventeen".