82173080055 has 16 divisors (see below), whose sum is σ = 143429376384. Its totient is φ = 39841493280.

The previous prime is 82173080051. The next prime is 82173080057. The reversal of 82173080055 is 55008037128.

It is not a de Polignac number, because 82173080055 - 2² = 82173080051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82173079995 and 82173080022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82173080051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249009169 + ... + 249009498.

It is an arithmetic number, because the mean of its divisors is an integer number (8964336024).

Almost surely, 2^82173080055 is an apocalyptic number.

82173080055 is a deficient number, since it is larger than the sum of its proper divisors (61256296329).

82173080055 is a wasteful number, since it uses less digits than its factorization.

82173080055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498018686.

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 82173080055 in words is "eighty-two billion, one hundred seventy-three million, eighty thousand, fifty-five".