82509708 has 24 divisors (see below), whose sum is σ = 193536000. Its totient is φ = 27358480.

The previous prime is 82509697. The next prime is 82509737. The reversal of 82509708 is 80790528.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15708 + ... + 20291.

It is an arithmetic number, because the mean of its divisors is an integer number (8064000).

Almost surely, 2^82509708 is an apocalyptic number.

It is an amenable number.

82509708 is an abundant number, since it is smaller than the sum of its proper divisors (111026292).

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

82509708 is a wasteful number, since it uses less digits than its factorization.

82509708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36197 (or 36195 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 82509708 is about 9083.4854543837. The cubic root of 82509708 is about 435.3464593543.

The spelling of 82509708 in words is "eighty-two million, five hundred nine thousand, seven hundred eight".