82717255218 has 32 divisors (see below), whose sum is σ = 180162057600. Its totient is φ = 25165489536.

The previous prime is 82717255169. The next prime is 82717255259. The reversal of 82717255218 is 81255271728.

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, 5950798 + ... + 5964681.

It is an arithmetic number, because the mean of its divisors is an integer number (5630064300).

Almost surely, 2^82717255218 is an apocalyptic number.

82717255218 is an abundant number, since it is smaller than the sum of its proper divisors (97444802382).

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

82717255218 is a wasteful number, since it uses less digits than its factorization.

82717255218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11915586.

The product of its digits is 627200, while the sum is 48.

The spelling of 82717255218 in words is "eighty-two billion, seven hundred seventeen million, two hundred fifty-five thousand, two hundred eighteen".