82564260 has 24 divisors (see below), whose sum is σ = 231180096. Its totient is φ = 22017120.

The previous prime is 82564219. The next prime is 82564271. The reversal of 82564260 is 6246528.

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, 687976 + ... + 688095.

It is an arithmetic number, because the mean of its divisors is an integer number (9632504).

Almost surely, 2^82564260 is an apocalyptic number.

It is an amenable number.

82564260 is an abundant number, since it is smaller than the sum of its proper divisors (148615836).

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

82564260 is a wasteful number, since it uses less digits than its factorization.

82564260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376083 (or 1376081 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 82564260 is about 9086.4877703104. The cubic root of 82564260 is about 435.4423825638.

The spelling of 82564260 in words is "eighty-two million, five hundred sixty-four thousand, two hundred sixty".