804568663 has 32 divisors (see below), whose sum is σ = 886464000. Its totient is φ = 728461440.

The previous prime is 804568649. The next prime is 804568669. The reversal of 804568663 is 366865408.

It is not a de Polignac number, because 804568663 - 2²⁹ = 267697751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804568669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4494708 + ... + 4494886.

It is an arithmetic number, because the mean of its divisors is an integer number (27702000).

Almost surely, 2^804568663 is an apocalyptic number.

804568663 is a deficient number, since it is larger than the sum of its proper divisors (81895337).

804568663 is a wasteful number, since it uses less digits than its factorization.

804568663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375.

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 804568663 is about 28364.9195838804. The cubic root of 804568663 is about 930.0815679796.

The spelling of 804568663 in words is "eight hundred four million, five hundred sixty-eight thousand, six hundred sixty-three".