82680804 has 48 divisors (see below), whose sum is σ = 214885440. Its totient is φ = 27492480.

The previous prime is 82680779. The next prime is 82680817. The reversal of 82680804 is 40808628.

It is a super-2 number, since 2×82680804² = 13672230700172832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 63399 + ... + 64689.

It is an arithmetic number, because the mean of its divisors is an integer number (4476780).

Almost surely, 2^82680804 is an apocalyptic number.

It is an amenable number.

82680804 is an abundant number, since it is smaller than the sum of its proper divisors (132204636).

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

82680804 is a wasteful number, since it uses less digits than its factorization.

82680804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897 (or 1889 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 82680804 is about 9092.8985477679. The cubic root of 82680804 is about 435.6471698724.

The spelling of 82680804 in words is "eighty-two million, six hundred eighty thousand, eight hundred four".