82915885056 has 152 divisors (see below), whose sum is σ = 224982037440. Its totient is φ = 27154972672.

The previous prime is 82915884941. The next prime is 82915885097. The reversal of 82915885056 is 65058851928.

It is a junction number, because it is equal to n+sod(n) for n = 82915884987 and 82915885005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46398595 + ... + 46400381.

Almost surely, 2^82915885056 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 82915885056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112491018720).

82915885056 is an abundant number, since it is smaller than the sum of its proper divisors (142066152384).

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

82915885056 is an frugal number, since it uses more digits than its factorization.

82915885056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 57.

The spelling of 82915885056 in words is "eighty-two billion, nine hundred fifteen million, eight hundred eighty-five thousand, fifty-six".