80589928 has 64 divisors (see below), whose sum is σ = 166698000. Its totient is φ = 36372480.

The previous prime is 80589923. The next prime is 80589931. The reversal of 80589928 is 82998508.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 12659364 + 67930564 = 3558^2 + 8242^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80589923) 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 15 ways as a sum of consecutive naturals, for example, 540798 + ... + 540946.

Almost surely, 2^80589928 is an apocalyptic number.

It is an amenable number.

80589928 is an abundant number, since it is smaller than the sum of its proper divisors (86108072).

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

80589928 is a wasteful number, since it uses less digits than its factorization.

80589928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 49.

The square root of 80589928 is about 8977.1893151476. The cubic root of 80589928 is about 431.9434796883.

The spelling of 80589928 in words is "eighty million, five hundred eighty-nine thousand, nine hundred twenty-eight".