844000880 has 80 divisors (see below), whose sum is σ = 2016162624. Its totient is φ = 328458240.

The previous prime is 844000879. The next prime is 844000903. The reversal of 844000880 is 88000448.

844000880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472469 + ... + 474251.

Almost surely, 2^844000880 is an apocalyptic number.

844000880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 844000880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008081312).

844000880 is an abundant number, since it is smaller than the sum of its proper divisors (1172161744).

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

844000880 is a wasteful number, since it uses less digits than its factorization.

844000880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 844000880 is about 29051.6932380886. The cubic root of 844000880 is about 945.0344341381.

The spelling of 844000880 in words is "eight hundred forty-four million, eight hundred eighty", and thus it is an aban number.