82856891328 has 112 divisors (see below), whose sum is σ = 242213587200. Its totient is φ = 24864108544.

The previous prime is 82856891321. The next prime is 82856891371. The reversal of 82856891328 is 82319865828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82856891321) 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, 476778 + ... + 626921.

Almost surely, 2^82856891328 is an apocalyptic number.

It is an amenable number.

82856891328 is an abundant number, since it is smaller than the sum of its proper divisors (159356695872).

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

82856891328 is a wasteful number, since it uses less digits than its factorization.

82856891328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103754 (or 1103744 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 60.

The spelling of 82856891328 in words is "eighty-two billion, eight hundred fifty-six million, eight hundred ninety-one thousand, three hundred twenty-eight".