8000000008 has 128 divisors (see below), whose sum is σ = 21200256000. Its totient is φ = 2725643520.

The previous prime is 7999999957. The next prime is 8000000011.

8000000008 is nontrivially palindromic in base 10.

8000000008 is a strobogrammatic number because it is the same when read upside-down.

It is a junction number, because it is equal to n+sod(n) for n = 7999999928 and 8000000000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125863 + ... + 178441.

It is an arithmetic number, because the mean of its divisors is an integer number (165627000).

Almost surely, 2^8000000008 is an apocalyptic number.

8000000008 is a gapful number since it is divisible by the number (88) 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 8000000008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10600128000).

8000000008 is an abundant number, since it is smaller than the sum of its proper divisors (13200255992).

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

8000000008 is a wasteful number, since it uses less digits than its factorization.

8000000008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52635 (or 52631 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 8000000008 is about 89442.7191447129. The cubic root of 8000000008 is about 2000.0000006667. Note that the first 6 decimals are identical.

It can be divided in two parts, 800000000 and 8, that multiplied together give a square (6400000000 = 80000²).

The spelling of 8000000008 in words is "eight billion, eight", and thus it is an aban number and an uban number.