800918763795321 has 8 divisors (see below), whose sum is σ = 1067891815777920. Its totient is φ = 533945777171472.

The previous prime is 800918763795317. The next prime is 800918763795343. The reversal of 800918763795321 is 123597367819008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 800918763795321 - 2² = 800918763795317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (800918763795301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40459200 + ... + 56910318.

It is an arithmetic number, because the mean of its divisors is an integer number (133486476972240).

Almost surely, 2^{800918763795321} is an apocalyptic number.

It is an amenable number.

800918763795321 is a deficient number, since it is larger than the sum of its proper divisors (266973051982599).

800918763795321 is a wasteful number, since it uses less digits than its factorization.

800918763795321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32679375.

The product of its (nonzero) digits is 137168640, while the sum is 69.

The spelling of 800918763795321 in words is "eight hundred trillion, nine hundred eighteen billion, seven hundred sixty-three million, seven hundred ninety-five thousand, three hundred twenty-one".