444774427 has 2 divisors, whose sum is σ = 444774428. Its totient is φ = 444774426.

The previous prime is 444774419. The next prime is 444774443. The reversal of 444774427 is 724477444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444774427 - 2³ = 444774419 is a prime.

It is not a weakly prime, because it can be changed into another prime (444774457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222387213 + 222387214.

It is an arithmetic number, because the mean of its divisors is an integer number (222387214).

Almost surely, 2^444774427 is an apocalyptic number.

444774427 is a deficient number, since it is larger than the sum of its proper divisors (1).

444774427 is an equidigital number, since it uses as much as digits as its factorization.

444774427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 702464, while the sum is 43.

The square root of 444774427 is about 21089.6758391399. The cubic root of 444774427 is about 763.3316495114.

The spelling of 444774427 in words is "four hundred forty-four million, seven hundred seventy-four thousand, four hundred twenty-seven".