800808444407 has 2 divisors, whose sum is σ = 800808444408. Its totient is φ = 800808444406.

The previous prime is 800808444349. The next prime is 800808444493. The reversal of 800808444407 is 704444808008.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-800808444407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800808444307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400404222203 + 400404222204.

It is an arithmetic number, because the mean of its divisors is an integer number (400404222204).

Almost surely, 2^800808444407 is an apocalyptic number.

800808444407 is a deficient number, since it is larger than the sum of its proper divisors (1).

800808444407 is an equidigital number, since it uses as much as digits as its factorization.

800808444407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 917504, while the sum is 47.

The spelling of 800808444407 in words is "eight hundred billion, eight hundred eight million, four hundred forty-four thousand, four hundred seven".