82572134936 has 128 divisors (see below), whose sum is σ = 172510248960. Its totient is φ = 36878284800.

The previous prime is 82572134893. The next prime is 82572134959. The reversal of 82572134936 is 63943127528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66751310 + ... + 66752546.

It is an arithmetic number, because the mean of its divisors is an integer number (1347736320).

Almost surely, 2^82572134936 is an apocalyptic number.

It is an amenable number.

82572134936 is an abundant number, since it is smaller than the sum of its proper divisors (89938114024).

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

82572134936 is a wasteful number, since it uses less digits than its factorization.

82572134936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585 (or 1581 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 50.

The spelling of 82572134936 in words is "eighty-two billion, five hundred seventy-two million, one hundred thirty-four thousand, nine hundred thirty-six".