80808080728 has 16 divisors (see below), whose sum is σ = 152008690680. Its totient is φ = 40272429888.

The previous prime is 80808080693. The next prime is 80808080819. The reversal of 80808080728 is 82708080808.

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, 16448701 + ... + 16453612.

Almost surely, 2^80808080728 is an apocalyptic number.

It is an amenable number.

80808080728 is a deficient number, since it is larger than the sum of its proper divisors (71200609952).

80808080728 is a wasteful number, since it uses less digits than its factorization.

80808080728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32902626 (or 32902622 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 49.

It can be divided in two parts, 8080 and 8080728, that added together give a palindrome (8088808).

The spelling of 80808080728 in words is "eighty billion, eight hundred eight million, eighty thousand, seven hundred twenty-eight".