80808800080 has 20 divisors (see below), whose sum is σ = 187880460372. Its totient is φ = 32323520000.

The previous prime is 80808800069. The next prime is 80808800087. The reversal of 80808800080 is 8000880808.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13951389456 + 66857410624 = 118116^2 + 258568^2 .

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 not an unprimeable number, because it can be changed into a prime (80808800087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505054921 + ... + 505055080.

Almost surely, 2^80808800080 is an apocalyptic number.

80808800080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80808800080 is an abundant number, since it is smaller than the sum of its proper divisors (107071660292).

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

80808800080 is a wasteful number, since it uses less digits than its factorization.

80808800080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010110014 (or 1010110008 counting only the distinct ones).

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

The spelling of 80808800080 in words is "eighty billion, eight hundred eight million, eight hundred thousand, eighty".