80980928 has 140 divisors (see below), whose sum is σ = 204898752. Its totient is φ = 31610880.

The previous prime is 80980927. The next prime is 80980937. The reversal of 80980928 is 82908908.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80980927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2612273 + ... + 2612303.

Almost surely, 2^80980928 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 80980928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102449376).

80980928 is an abundant number, since it is smaller than the sum of its proper divisors (123917824).

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

80980928 is an equidigital number, since it uses as much as digits as its factorization.

80980928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 80980928 is about 8998.9403820672. The cubic root of 80980928 is about 432.6409096812.

The spelling of 80980928 in words is "eighty million, nine hundred eighty thousand, nine hundred twenty-eight".