80289804 has 48 divisors (see below), whose sum is σ = 216131328. Its totient is φ = 22723008.

The previous prime is 80289799. The next prime is 80289817. The reversal of 80289804 is 40898208.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4522 + ... + 13454.

It is an arithmetic number, because the mean of its divisors is an integer number (4502736).

Almost surely, 2^80289804 is an apocalyptic number.

80289804 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80289804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108065664).

80289804 is an abundant number, since it is smaller than the sum of its proper divisors (135841524).

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

80289804 is a wasteful number, since it uses less digits than its factorization.

80289804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9054 (or 9052 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 80289804 is about 8960.4578008046. The cubic root of 80289804 is about 431.4066141521.

The spelling of 80289804 in words is "eighty million, two hundred eighty-nine thousand, eight hundred four".