82017553844 has 24 divisors (see below), whose sum is σ = 143789804928. Its totient is φ = 40934819520.

The previous prime is 82017553789. The next prime is 82017553909. The reversal of 82017553844 is 44835571028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5735984 + ... + 5750264.

It is an arithmetic number, because the mean of its divisors is an integer number (5991241872).

Almost surely, 2^82017553844 is an apocalyptic number.

It is an amenable number.

82017553844 is a deficient number, since it is larger than the sum of its proper divisors (61772251084).

82017553844 is a wasteful number, since it uses less digits than its factorization.

82017553844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16775 (or 16773 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 82017553844 in words is "eighty-two billion, seventeen million, five hundred fifty-three thousand, eight hundred forty-four".