800873911 has 2 divisors, whose sum is σ = 800873912. Its totient is φ = 800873910.

The previous prime is 800873897. The next prime is 800873939. The reversal of 800873911 is 119378008.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-800873911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800873011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400436955 + 400436956.

It is an arithmetic number, because the mean of its divisors is an integer number (400436956).

Almost surely, 2^800873911 is an apocalyptic number.

800873911 is a deficient number, since it is larger than the sum of its proper divisors (1).

800873911 is an equidigital number, since it uses as much as digits as its factorization.

800873911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 800873911 is about 28299.7157406218. The cubic root of 800873911 is about 928.6556716728.

The spelling of 800873911 in words is "eight hundred million, eight hundred seventy-three thousand, nine hundred eleven".