800958716947 has 4 divisors (see below), whose sum is σ = 801329361736. Its totient is φ = 800588072160.

The previous prime is 800958716911. The next prime is 800958716953. The reversal of 800958716947 is 749617859008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-800958716947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800958716147) 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, 185319153 + ... + 185323474.

It is an arithmetic number, because the mean of its divisors is an integer number (200332340434).

Almost surely, 2^800958716947 is an apocalyptic number.

800958716947 is a deficient number, since it is larger than the sum of its proper divisors (370644789).

800958716947 is a wasteful number, since it uses less digits than its factorization.

800958716947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370644788.

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 800958716947 in words is "eight hundred billion, nine hundred fifty-eight million, seven hundred sixteen thousand, nine hundred forty-seven".