82997555855 has 16 divisors (see below), whose sum is σ = 104449651200. Its totient is φ = 63192004128.

The previous prime is 82997555843. The next prime is 82997555857. The reversal of 82997555855 is 55855579928.

It is a cyclic number.

It is not a de Polignac number, because 82997555855 - 2⁶ = 82997555791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82997555857) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1790477 + ... + 1836246.

It is an arithmetic number, because the mean of its divisors is an integer number (6528103200).

Almost surely, 2^82997555855 is an apocalyptic number.

82997555855 is a deficient number, since it is larger than the sum of its proper divisors (21452095345).

82997555855 is a wasteful number, since it uses less digits than its factorization.

82997555855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626950.

The product of its digits is 226800000, while the sum is 68.

The spelling of 82997555855 in words is "eighty-two billion, nine hundred ninety-seven million, five hundred fifty-five thousand, eight hundred fifty-five".