800080080880 has 20 divisors (see below), whose sum is σ = 1860186188232. Its totient is φ = 320032032320.

The previous prime is 800080080857. The next prime is 800080080911. The reversal of 800080080880 is 88080080008.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000500426 + ... + 5000500585.

Almost surely, 2^800080080880 is an apocalyptic number.

800080080880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

800080080880 is an abundant number, since it is smaller than the sum of its proper divisors (1060106107352).

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

800080080880 is a wasteful number, since it uses less digits than its factorization.

800080080880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001001024 (or 10001001018 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 40.

The spelling of 800080080880 in words is "eight hundred billion, eighty million, eighty thousand, eight hundred eighty".