83798980 has 24 divisors (see below), whose sum is σ = 182047320. Its totient is φ = 32363520.

The previous prime is 83798917. The next prime is 83799007. The reversal of 83798980 is 8989738.

It can be written as a sum of positive squares in 4 ways, for example, as 35022724 + 48776256 = 5918^2 + 6984^2 .

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, 71661 + ... + 72820.

It is an arithmetic number, because the mean of its divisors is an integer number (7585305).

Almost surely, 2^83798980 is an apocalyptic number.

It is an amenable number.

83798980 is an abundant number, since it is smaller than the sum of its proper divisors (98248340).

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

83798980 is a wasteful number, since it uses less digits than its factorization.

83798980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144519 (or 144517 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 83798980 is about 9154.1782809819. The cubic root of 83798980 is about 437.6022813923.

The spelling of 83798980 in words is "eighty-three million, seven hundred ninety-eight thousand, nine hundred eighty".