82565844273 has 24 divisors (see below), whose sum is σ = 137756919456. Its totient is φ = 47096380800.

The previous prime is 82565844253. The next prime is 82565844281. The reversal of 82565844273 is 37244856528.

82565844273 is a `hidden beast` number, since 8 + 2 + 56 + 584 + 4 + 2 + 7 + 3 = 666.

It is not a de Polignac number, because 82565844273 - 2¹² = 82565840177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82565844253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24527683 + ... + 24531048.

It is an arithmetic number, because the mean of its divisors is an integer number (5739871644).

Almost surely, 2^82565844273 is an apocalyptic number.

It is an amenable number.

82565844273 is a deficient number, since it is larger than the sum of its proper divisors (55191075183).

82565844273 is a wasteful number, since it uses less digits than its factorization.

82565844273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49058765 (or 49058762 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 54.

The spelling of 82565844273 in words is "eighty-two billion, five hundred sixty-five million, eight hundred forty-four thousand, two hundred seventy-three".