82808658686 has 32 divisors (see below), whose sum is σ = 135126351360. Its totient is φ = 37831808736.

The previous prime is 82808658679. The next prime is 82808658697. The reversal of 82808658686 is 68685680828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3658175 + ... + 3680741.

It is an arithmetic number, because the mean of its divisors is an integer number (4222698480).

Almost surely, 2^82808658686 is an apocalyptic number.

82808658686 is a deficient number, since it is larger than the sum of its proper divisors (52317692674).

82808658686 is a wasteful number, since it uses less digits than its factorization.

82808658686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24008.

The product of its (nonzero) digits is 70778880, while the sum is 65.

The spelling of 82808658686 in words is "eighty-two billion, eight hundred eight million, six hundred fifty-eight thousand, six hundred eighty-six".