800264447 has 2 divisors, whose sum is σ = 800264448. Its totient is φ = 800264446.

The previous prime is 800264431. The next prime is 800264489. The reversal of 800264447 is 744462008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 800264447 - 2⁴ = 800264431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800264407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400132223 + 400132224.

It is an arithmetic number, because the mean of its divisors is an integer number (400132224).

Almost surely, 2^800264447 is an apocalyptic number.

800264447 is a deficient number, since it is larger than the sum of its proper divisors (1).

800264447 is an equidigital number, since it uses as much as digits as its factorization.

800264447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 800264447 is about 28288.9456678753. The cubic root of 800264447 is about 928.4200433074.

The spelling of 800264447 in words is "eight hundred million, two hundred sixty-four thousand, four hundred forty-seven".