82798900 has 18 divisors (see below), whose sum is σ = 179673830. Its totient is φ = 33119520.

The previous prime is 82798897. The next prime is 82798927. The reversal of 82798900 is 989728.

It can be written as a sum of positive squares in 3 ways, for example, as 5253264 + 77545636 = 2292^2 + 8806^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 413895 + ... + 414094.

Almost surely, 2^82798900 is an apocalyptic number.

It is an amenable number.

82798900 is an abundant number, since it is smaller than the sum of its proper divisors (96874930).

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

82798900 is a wasteful number, since it uses less digits than its factorization.

82798900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828003 (or 827996 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 82798900 is about 9099.3900894511. The cubic root of 82798900 is about 435.8544880970.

The spelling of 82798900 in words is "eighty-two million, seven hundred ninety-eight thousand, nine hundred".