80489808 has 160 divisors (see below), whose sum is σ = 270617600. Its totient is φ = 22425984.

The previous prime is 80489779. The next prime is 80489813. The reversal of 80489808 is 80898408.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 129723 + ... + 130341.

It is an arithmetic number, because the mean of its divisors is an integer number (1691360).

Almost surely, 2^80489808 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 80489808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135308800).

80489808 is an abundant number, since it is smaller than the sum of its proper divisors (190127792).

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

80489808 is a wasteful number, since it uses less digits than its factorization.

80489808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 80489808 is about 8971.6112265300. The cubic root of 80489808 is about 431.7645321720.

The spelling of 80489808 in words is "eighty million, four hundred eighty-nine thousand, eight hundred eight".