447799199 has 2 divisors, whose sum is σ = 447799200. Its totient is φ = 447799198.

The previous prime is 447799169. The next prime is 447799207. The reversal of 447799199 is 991997744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447799199 - 2⁸ = 447798943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447799129) 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, 223899599 + 223899600.

It is an arithmetic number, because the mean of its divisors is an integer number (223899600).

Almost surely, 2^447799199 is an apocalyptic number.

447799199 is a deficient number, since it is larger than the sum of its proper divisors (1).

447799199 is an equidigital number, since it uses as much as digits as its factorization.

447799199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5143824, while the sum is 59.

The square root of 447799199 is about 21161.2664791123. The cubic root of 447799199 is about 765.0581350440.

The spelling of 447799199 in words is "four hundred forty-seven million, seven hundred ninety-nine thousand, one hundred ninety-nine".