82500008 has 16 divisors (see below), whose sum is σ = 156552480. Its totient is φ = 40752688.

The previous prime is 82499987. The next prime is 82500017. The reversal of 82500008 is 80000528.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61460 + ... + 62787.

It is an arithmetic number, because the mean of its divisors is an integer number (9784530).

Almost surely, 2^82500008 is an apocalyptic number.

It is an amenable number.

82500008 is a deficient number, since it is larger than the sum of its proper divisors (74052472).

82500008 is a wasteful number, since it uses less digits than its factorization.

82500008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124336 (or 124332 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 82500008 is about 9082.9515026780. The cubic root of 82500008 is about 435.3293986299.

The spelling of 82500008 in words is "eighty-two million, five hundred thousand, eight".