83117710130805 has 96 divisors (see below), whose sum is σ = 170422143091200. Its totient is φ = 36666567415296.

The previous prime is 83117710130803. The next prime is 83117710130809. The reversal of 83117710130805 is 50803101771138.

It is not a de Polignac number, because 83117710130805 - 2¹ = 83117710130803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83117710130803) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14409211 + ... + 19335479.

It is an arithmetic number, because the mean of its divisors is an integer number (1775230657200).

Almost surely, 2^{83117710130805} is an apocalyptic number.

It is an amenable number.

83117710130805 is an abundant number, since it is smaller than the sum of its proper divisors (87304432960395).

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

83117710130805 is a wasteful number, since it uses less digits than its factorization.

83117710130805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928163 (or 4928160 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The spelling of 83117710130805 in words is "eighty-three trillion, one hundred seventeen billion, seven hundred ten million, one hundred thirty thousand, eight hundred five".