808080808080808 has 128 divisors (see below), whose sum is σ = 1654344297781920. Its totient is φ = 368639941017600.

The previous prime is 808080808080803. The next prime is 808080808080901.

808080808080808 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 16 ways, for example, as 614350654065604 + 193730154015204 = 24786098^2 + 13918698^2 .

808080808080808 is a strobogrammatic number because it is the same when read upside-down.

808080808080808 is an undulating number in base 10.

808080808080808 is a modest number, since divided by 808080808 gives 80808 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 808080808080808.

It is not an unprimeable number, because it can be changed into a prime (808080808080803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134432560 + ... + 140314912.

Almost surely, 2^{808080808080808} is an apocalyptic number.

It is an amenable number.

808080808080808 is an abundant number, since it is smaller than the sum of its proper divisors (846263489701112).

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

808080808080808 is a wasteful number, since it uses less digits than its factorization.

808080808080808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882687 (or 5882683 counting only the distinct ones).

The product of its (nonzero) digits is 16777216, while the sum is 64.

It can be divided in two parts, 80808080 and 8080808, that added together give a palindrome (88888888).

The spelling of 808080808080808 in words is "eight hundred eight trillion, eighty billion, eight hundred eight million, eighty thousand, eight hundred eight".