844720111072 has 24 divisors (see below), whose sum is σ = 1663063399872. Its totient is φ = 422354803200.

The previous prime is 844720111057. The next prime is 844720111091. The reversal of 844720111072 is 270111027448.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4412872 + ... + 4600312.

It is an arithmetic number, because the mean of its divisors is an integer number (69294308328).

Almost surely, 2^844720111072 is an apocalyptic number.

It is an amenable number.

844720111072 is a deficient number, since it is larger than the sum of its proper divisors (818343288800).

844720111072 is a wasteful number, since it uses less digits than its factorization.

844720111072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328282 (or 328274 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The spelling of 844720111072 in words is "eight hundred forty-four billion, seven hundred twenty million, one hundred eleven thousand, seventy-two".