82515312732 has 24 divisors (see below), whose sum is σ = 192974320000. Its totient is φ = 27442448496.

The previous prime is 82515312721. The next prime is 82515312749. The reversal of 82515312732 is 23721351528.

It is a super-2 number, since 2×82515312732² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7826482 + ... + 7837017.

Almost surely, 2^82515312732 is an apocalyptic number.

It is an amenable number.

82515312732 is an abundant number, since it is smaller than the sum of its proper divisors (110459007268).

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

82515312732 is a wasteful number, since it uses less digits than its factorization.

82515312732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15663945 (or 15663943 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The spelling of 82515312732 in words is "eighty-two billion, five hundred fifteen million, three hundred twelve thousand, seven hundred thirty-two".