82508860 has 24 divisors (see below), whose sum is σ = 198021600. Its totient is φ = 28288704.

The previous prime is 82508831. The next prime is 82508861. The reversal of 82508860 is 6880528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82508861) 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, 294535 + ... + 294814.

It is an arithmetic number, because the mean of its divisors is an integer number (8250900).

Almost surely, 2^82508860 is an apocalyptic number.

It is an amenable number.

82508860 is an abundant number, since it is smaller than the sum of its proper divisors (115512740).

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

82508860 is a wasteful number, since it uses less digits than its factorization.

82508860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589365 (or 589363 counting only the distinct ones).

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

The square root of 82508860 is about 9083.4387761464. The cubic root of 82508860 is about 435.3449679134.

The spelling of 82508860 in words is "eighty-two million, five hundred eight thousand, eight hundred sixty".