82557255205 has 32 divisors (see below), whose sum is σ = 105270168960. Its totient is φ = 61979074560.

The previous prime is 82557255191. The next prime is 82557255211. The reversal of 82557255205 is 50255275528.

It is not a de Polignac number, because 82557255205 - 2⁵ = 82557255173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7175017 + ... + 7186513.

It is an arithmetic number, because the mean of its divisors is an integer number (3289692780).

Almost surely, 2^82557255205 is an apocalyptic number.

It is an amenable number.

82557255205 is a deficient number, since it is larger than the sum of its proper divisors (22712913755).

82557255205 is a wasteful number, since it uses less digits than its factorization.

82557255205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12229.

The product of its (nonzero) digits is 1400000, while the sum is 46.

The spelling of 82557255205 in words is "eighty-two billion, five hundred fifty-seven million, two hundred fifty-five thousand, two hundred five".