800930665 has 4 divisors (see below), whose sum is σ = 961116804. Its totient is φ = 640744528.

The previous prime is 800930653. The next prime is 800930699. The reversal of 800930665 is 566039008.

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 342842256 + 458088409 = 18516^2 + 21403^2 .

It is a cyclic number.

It is not a de Polignac number, because 800930665 - 2¹⁹ = 800406377 is a prime.

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, 80093062 + ... + 80093071.

It is an arithmetic number, because the mean of its divisors is an integer number (240279201).

Almost surely, 2^800930665 is an apocalyptic number.

It is an amenable number.

800930665 is a deficient number, since it is larger than the sum of its proper divisors (160186139).

800930665 is a wasteful number, since it uses less digits than its factorization.

800930665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160186138.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 800930665 is about 28300.7184537778. The cubic root of 800930665 is about 928.6776075766.

The spelling of 800930665 in words is "eight hundred million, nine hundred thirty thousand, six hundred sixty-five".