80808080404 has 24 divisors (see below), whose sum is σ = 143065679400. Its totient is φ = 39933580800.

The previous prime is 80808080383. The next prime is 80808080413. The reversal of 80808080404 is 40408080808.

It can be written as a sum of positive squares in 4 ways, for example, as 32407200400 + 48400880004 = 180020^2 + 220002^2 .

It is a congruent number.

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, 54112 + ... + 405640.

It is an arithmetic number, because the mean of its divisors is an integer number (5961069975).

Almost surely, 2^80808080404 is an apocalyptic number.

It is an amenable number.

80808080404 is a deficient number, since it is larger than the sum of its proper divisors (62257598996).

80808080404 is a wasteful number, since it uses less digits than its factorization.

80808080404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352203 (or 352201 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 80808080404 in words is "eighty billion, eight hundred eight million, eighty thousand, four hundred four".