82798980 has 48 divisors (see below), whose sum is σ = 252915264. Its totient is φ = 20072320.

The previous prime is 82798927. The next prime is 82799029. The reversal of 82798980 is 8989728.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62067 + ... + 63386.

It is an arithmetic number, because the mean of its divisors is an integer number (5269068).

Almost surely, 2^82798980 is an apocalyptic number.

It is an amenable number.

82798980 is an abundant number, since it is smaller than the sum of its proper divisors (170116284).

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

82798980 is a wasteful number, since it uses less digits than its factorization.

82798980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125476 (or 125474 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 82798980 is about 9099.3944853490. The cubic root of 82798980 is about 435.8546284706.

The spelling of 82798980 in words is "eighty-two million, seven hundred ninety-eight thousand, nine hundred eighty".