82313108172 has 60 divisors (see below), whose sum is σ = 215624991120. Its totient is φ = 27381309984.

The previous prime is 82313108113. The next prime is 82313108191. The reversal of 82313108172 is 27180131328.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 103047 + ... + 418622.

It is an arithmetic number, because the mean of its divisors is an integer number (3593749852).

Almost surely, 2^82313108172 is an apocalyptic number.

It is an amenable number.

82313108172 is an abundant number, since it is smaller than the sum of its proper divisors (133311882948).

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

82313108172 is a wasteful number, since it uses less digits than its factorization.

82313108172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522172 (or 522161 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 82313108172 in words is "eighty-two billion, three hundred thirteen million, one hundred eight thousand, one hundred seventy-two".