82003309844 has 12 divisors (see below), whose sum is σ = 151058728800. Its totient is φ = 38843673048.

The previous prime is 82003309789. The next prime is 82003309849. The reversal of 82003309844 is 44890330028.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82003309849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539495384 + ... + 539495535.

It is an arithmetic number, because the mean of its divisors is an integer number (12588227400).

Almost surely, 2^82003309844 is an apocalyptic number.

It is an amenable number.

82003309844 is a deficient number, since it is larger than the sum of its proper divisors (69055418956).

82003309844 is a wasteful number, since it uses less digits than its factorization.

82003309844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078990942 (or 1078990940 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 82003309844 in words is "eighty-two billion, three million, three hundred nine thousand, eight hundred forty-four".