82508933568 has 112 divisors (see below), whose sum is σ = 220198492800. Its totient is φ = 27265152000.

The previous prime is 82508933567. The next prime is 82508933579. The reversal of 82508933568 is 86533980528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82508933567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16332643 + ... + 16337693.

Almost surely, 2^82508933568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82508933568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110099246400).

82508933568 is an abundant number, since it is smaller than the sum of its proper divisors (137689559232).

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

82508933568 is a wasteful number, since it uses less digits than its factorization.

82508933568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5786 (or 5776 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 82508933568 in words is "eighty-two billion, five hundred eight million, nine hundred thirty-three thousand, five hundred sixty-eight".