82997470200 has 96 divisors (see below), whose sum is σ = 257921996400. Its totient is φ = 22078479360.

The previous prime is 82997470147. The next prime is 82997470223. The reversal of 82997470200 is 207479928.

It is a self number, because there is not a number n which added to its sum of digits gives 82997470200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76294 + ... + 414506.

Almost surely, 2^82997470200 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 82997470200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128960998200).

82997470200 is an abundant number, since it is smaller than the sum of its proper divisors (174924526200).

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

82997470200 is a wasteful number, since it uses less digits than its factorization.

82997470200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338641 (or 338632 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 82997470200 in words is "eighty-two billion, nine hundred ninety-seven million, four hundred seventy thousand, two hundred".