844080111 has 24 divisors (see below), whose sum is σ = 1466741120. Its totient is φ = 456944976.

The previous prime is 844080103. The next prime is 844080113. The reversal of 844080111 is 111080448.

It is not a de Polignac number, because 844080111 - 2³ = 844080103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844080113) 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, 351385 + ... + 353778.

Almost surely, 2^844080111 is an apocalyptic number.

844080111 is a deficient number, since it is larger than the sum of its proper divisors (622661009).

844080111 is a wasteful number, since it uses less digits than its factorization.

844080111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705195 (or 705192 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 844080111 is about 29053.0568271223. The cubic root of 844080111 is about 945.0640050711.

The spelling of 844080111 in words is "eight hundred forty-four million, eighty thousand, one hundred eleven".