800144399 has 2 divisors, whose sum is σ = 800144400. Its totient is φ = 800144398.

The previous prime is 800144393. The next prime is 800144407. The reversal of 800144399 is 993441008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 800144399 - 2⁴ = 800144383 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800144393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400072199 + 400072200.

It is an arithmetic number, because the mean of its divisors is an integer number (400072200).

Almost surely, 2^800144399 is an apocalyptic number.

800144399 is a deficient number, since it is larger than the sum of its proper divisors (1).

800144399 is an equidigital number, since it uses as much as digits as its factorization.

800144399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 800144399 is about 28286.8237700877. The cubic root of 800144399 is about 928.3736167612.

The spelling of 800144399 in words is "eight hundred million, one hundred forty-four thousand, three hundred ninety-nine".