82500804 has 36 divisors (see below), whose sum is σ = 211407196. Its totient is φ = 27122688.

The previous prime is 82500799. The next prime is 82500829. The reversal of 82500804 is 40800528.

82500804 is a `hidden beast` number, since 82 + 500 + 80 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 69755904 + 12744900 = 8352^2 + 3570^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13069 + ... + 18324.

Almost surely, 2^82500804 is an apocalyptic number.

It is an amenable number.

82500804 is an abundant number, since it is smaller than the sum of its proper divisors (128906392).

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

82500804 is a wasteful number, since it uses less digits than its factorization.

82500804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31476 (or 31471 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 82500804 is about 9082.9953209280. The cubic root of 82500804 is about 435.3307987150.

The spelling of 82500804 in words is "eighty-two million, five hundred thousand, eight hundred four".