82904685822 has 48 divisors (see below), whose sum is σ = 205308241632. Its totient is φ = 23684693760.

The previous prime is 82904685781. The next prime is 82904685827. The reversal of 82904685822 is 22858640928.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82904685827) 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, 1532922 + ... + 1586082.

It is an arithmetic number, because the mean of its divisors is an integer number (4277255034).

Almost surely, 2^82904685822 is an apocalyptic number.

82904685822 is an abundant number, since it is smaller than the sum of its proper divisors (122403555810).

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

82904685822 is a wasteful number, since it uses less digits than its factorization.

82904685822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65553 (or 65550 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 82904685822 in words is "eighty-two billion, nine hundred four million, six hundred eighty-five thousand, eight hundred twenty-two".