82580860 has 24 divisors (see below), whose sum is σ = 174691440. Its totient is φ = 32790144.

The previous prime is 82580857. The next prime is 82580867. The reversal of 82580860 is 6808528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82580867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12330 + ... + 17809.

It is an arithmetic number, because the mean of its divisors is an integer number (7278810).

Almost surely, 2^82580860 is an apocalyptic number.

It is an amenable number.

82580860 is an abundant number, since it is smaller than the sum of its proper divisors (92110580).

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

82580860 is a wasteful number, since it uses less digits than its factorization.

82580860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30285 (or 30283 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 82580860 is about 9087.4011686510. The cubic root of 82580860 is about 435.4715633060.

The spelling of 82580860 in words is "eighty-two million, five hundred eighty thousand, eight hundred sixty".