800045689 has 4 divisors (see below), whose sum is σ = 806153040. Its totient is φ = 793938340.

The previous prime is 800045681. The next prime is 800045693. The reversal of 800045689 is 986540008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 800045689 - 2³ = 800045681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (800045681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3053479 + ... + 3053740.

It is an arithmetic number, because the mean of its divisors is an integer number (201538260).

Almost surely, 2^800045689 is an apocalyptic number.

It is an amenable number.

800045689 is a deficient number, since it is larger than the sum of its proper divisors (6107351).

800045689 is a wasteful number, since it uses less digits than its factorization.

800045689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6107350.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 800045689 is about 28285.0789109735. The cubic root of 800045689 is about 928.3354388488.

The spelling of 800045689 in words is "eight hundred million, forty-five thousand, six hundred eighty-nine".