80944128 has 66 divisors (see below), whose sum is σ = 233751024. Its totient is φ = 26978304.

The previous prime is 80944099. The next prime is 80944139. The reversal of 80944128 is 82144908.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80944092 and 80944101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4825 + ... + 13607.

Almost surely, 2^80944128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80944128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116875512).

80944128 is an abundant number, since it is smaller than the sum of its proper divisors (152806896).

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

80944128 is a wasteful number, since it uses less digits than its factorization.

80944128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8809 (or 8788 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 80944128 is about 8996.8954645478. The cubic root of 80944128 is about 432.5753650393.

The spelling of 80944128 in words is "eighty million, nine hundred forty-four thousand, one hundred twenty-eight".