8080808080 has 80 divisors (see below), whose sum is σ = 19319263488. Its totient is φ = 3141504000.

The previous prime is 8080808059. The next prime is 8080808111. The reversal of 8080808080 is 808080808.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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

8080808080 is an undulating number in base 10.

8080808080 is a modest number, since divided by 808080 gives 8080 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884335 + ... + 893425.

Almost surely, 2^8080808080 is an apocalyptic number.

8080808080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8080808080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9659631744).

8080808080 is an abundant number, since it is smaller than the sum of its proper divisors (11238455408).

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

8080808080 is a wasteful number, since it uses less digits than its factorization.

8080808080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9416 (or 9410 counting only the distinct ones).

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

The square root of 8080808080 is about 89893.3149906043. The cubic root of 8080808080 is about 2006.7114596291.

8080808080 divided by its sum of digits (40) gives a palindrome (202020202).

Adding to 8080808080 its reverse (808080808), we get a palindrome (8888888888).

The spelling of 8080808080 in words is "eight billion, eighty million, eight hundred eight thousand, eighty".