80808056 has 48 divisors (see below), whose sum is σ = 177060240. Its totient is φ = 34574400.

The previous prime is 80808043. The next prime is 80808059. The reversal of 80808056 is 65080808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80808059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134156 + ... + 134756.

It is an arithmetic number, because the mean of its divisors is an integer number (3688755).

Almost surely, 2^80808056 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 80808056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88530120).

80808056 is an abundant number, since it is smaller than the sum of its proper divisors (96252184).

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

80808056 is an frugal number, since it uses more digits than its factorization.

80808056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 80808056 is about 8989.3301196474. The cubic root of 80808056 is about 432.3328339233.

The spelling of 80808056 in words is "eighty million, eight hundred eight thousand, fifty-six".