83117500668 has 36 divisors (see below), whose sum is σ = 210183093120. Its totient is φ = 27695215296.

The previous prime is 83117500649. The next prime is 83117500679. The reversal of 83117500668 is 86600571138.

83117500668 is a `hidden beast` number, since 83 + 1 + 1 + 7 + 500 + 6 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346908 + ... + 535331.

Almost surely, 2^83117500668 is an apocalyptic number.

It is an amenable number.

83117500668 is an abundant number, since it is smaller than the sum of its proper divisors (127065592452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83117500668 is a wasteful number, since it uses less digits than its factorization.

83117500668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884866 (or 884861 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 83117500668 in words is "eighty-three billion, one hundred seventeen million, five hundred thousand, six hundred sixty-eight".