82392771672 has 48 divisors (see below), whose sum is σ = 231411802440. Its totient is φ = 27464256576.

The previous prime is 82392771647. The next prime is 82392771689. The reversal of 82392771672 is 27617729328.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21189613 + ... + 21193500.

Almost surely, 2^82392771672 is an apocalyptic number.

It is an amenable number.

82392771672 is an abundant number, since it is smaller than the sum of its proper divisors (149019030768).

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

82392771672 is a wasteful number, since it uses less digits than its factorization.

82392771672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42383134 (or 42383118 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The spelling of 82392771672 in words is "eighty-two billion, three hundred ninety-two million, seven hundred seventy-one thousand, six hundred seventy-two".