8000008105 has 4 divisors (see below), whose sum is σ = 9600009732. Its totient is φ = 6400006480.

The previous prime is 8000007997. The next prime is 8000008111. The reversal of 8000008105 is 5018000008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4321221696 + 3678786409 = 65736^2 + 60653^2 .

It is not a de Polignac number, because 8000008105 - 2⁹ = 8000007593 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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, 800000806 + ... + 800000815.

It is an arithmetic number, because the mean of its divisors is an integer number (2400002433).

Almost surely, 2^8000008105 is an apocalyptic number.

It is an amenable number.

8000008105 is a deficient number, since it is larger than the sum of its proper divisors (1600001627).

8000008105 is a wasteful number, since it uses less digits than its factorization.

8000008105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600001626.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 8000008105 is about 89442.7644083075. The cubic root of 8000008105 is about 2000.0006754164. Note that the first 3 decimals are identical.

The spelling of 8000008105 in words is "eight billion, eight thousand, one hundred five".