82994131356 has 24 divisors (see below), whose sum is σ = 193721312400. Its totient is φ = 27654947712.

The previous prime is 82994131343. The next prime is 82994131361. The reversal of 82994131356 is 65313149928.

It is a junction number, because it is equal to n+sod(n) for n = 82994131299 and 82994131308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184881 + ... + 1252968.

It is an arithmetic number, because the mean of its divisors is an integer number (8071721350).

Almost surely, 2^82994131356 is an apocalyptic number.

It is an amenable number.

82994131356 is an abundant number, since it is smaller than the sum of its proper divisors (110727181044).

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

82994131356 is a wasteful number, since it uses less digits than its factorization.

82994131356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440693 (or 2440691 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The spelling of 82994131356 in words is "eighty-two billion, nine hundred ninety-four million, one hundred thirty-one thousand, three hundred fifty-six".