82513711504 has 45 divisors (see below), whose sum is σ = 185989721547. Its totient is φ = 35359572192.

The previous prime is 82513711487. The next prime is 82513711517. The reversal of 82513711504 is 40511731528.

The square root of 82513711504 is 287252.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8037927 + ... + 8048185.

Almost surely, 2^82513711504 is an apocalyptic number.

82513711504 is the 287252-nd square number.

It is an amenable number.

82513711504 is an abundant number, since it is smaller than the sum of its proper divisors (103476010043).

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

82513711504 is an frugal number, since it uses more digits than its factorization.

82513711504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20540 (or 10268 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 82513711504 in words is "eighty-two billion, five hundred thirteen million, seven hundred eleven thousand, five hundred four".