808080128 has 72 divisors (see below), whose sum is σ = 1688752800. Its totient is φ = 385409024.

The previous prime is 808080109. The next prime is 808080173. The reversal of 808080128 is 821080808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660125 + ... + 661347.

It is an arithmetic number, because the mean of its divisors is an integer number (23454900).

Almost surely, 2^808080128 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 808080128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844376400).

808080128 is an abundant number, since it is smaller than the sum of its proper divisors (880672672).

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

808080128 is a wasteful number, since it uses less digits than its factorization.

808080128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 35.

The square root of 808080128 is about 28426.7502187640. The cubic root of 808080128 is about 931.4326890627.

The spelling of 808080128 in words is "eight hundred eight million, eighty thousand, one hundred twenty-eight".