80628928 has 56 divisors (see below), whose sum is σ = 164957760. Its totient is φ = 39087360.

The previous prime is 80628917. The next prime is 80628929. The reversal of 80628928 is 82982608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80628929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494575 + ... + 494737.

Almost surely, 2^80628928 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 80628928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82478880).

80628928 is an abundant number, since it is smaller than the sum of its proper divisors (84328832).

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

80628928 is a wasteful number, since it uses less digits than its factorization.

80628928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 80628928 is about 8979.3612244970. The cubic root of 80628928 is about 432.0131454619.

The spelling of 80628928 in words is "eighty million, six hundred twenty-eight thousand, nine hundred twenty-eight".