82731371464 has 48 divisors (see below), whose sum is σ = 182988823680. Its totient is φ = 34956905760.

The previous prime is 82731371461. The next prime is 82731371467. The reversal of 82731371464 is 46417313728.

It is an interprime number because it is at equal distance from previous prime (82731371461) and next prime (82731371467).

It is not an unprimeable number, because it can be changed into a prime (82731371461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1458432 + ... + 1514095.

It is an arithmetic number, because the mean of its divisors is an integer number (3812267160).

Almost surely, 2^82731371464 is an apocalyptic number.

It is an amenable number.

82731371464 is an abundant number, since it is smaller than the sum of its proper divisors (100257452216).

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

82731371464 is a wasteful number, since it uses less digits than its factorization.

82731371464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972618 (or 2972607 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The spelling of 82731371464 in words is "eighty-two billion, seven hundred thirty-one million, three hundred seventy-one thousand, four hundred sixty-four".