800000008906 has 40 divisors (see below), whose sum is σ = 1408834711620. Its totient is φ = 340673022144.

The previous prime is 800000008903. The next prime is 800000008921. The reversal of 800000008906 is 609800000008.

It can be written as a sum of positive squares in 2 ways, for example, as 765784258281 + 34215750625 = 875091^2 + 184975^2 .

It is not an unprimeable number, because it can be changed into a prime (800000008903) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 223350 + ... + 1284478.

Almost surely, 2^800000008906 is an apocalyptic number.

800000008906 is a deficient number, since it is larger than the sum of its proper divisors (608834702714).

800000008906 is a wasteful number, since it uses less digits than its factorization.

800000008906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061316 (or 1061295 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 800000008906 in words is "eight hundred billion, eight thousand, nine hundred six".