444399979 has 2 divisors, whose sum is σ = 444399980. Its totient is φ = 444399978.

The previous prime is 444399953. The next prime is 444400003. The reversal of 444399979 is 979993444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444399979 - 2⁵ = 444399947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (444399929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222199989 + 222199990.

It is an arithmetic number, because the mean of its divisors is an integer number (222199990).

Almost surely, 2^444399979 is an apocalyptic number.

444399979 is a deficient number, since it is larger than the sum of its proper divisors (1).

444399979 is an equidigital number, since it uses as much as digits as its factorization.

444399979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 58.

The square root of 444399979 is about 21080.7964507985. The cubic root of 444399979 is about 763.1173774063.

The spelling of 444399979 in words is "four hundred forty-four million, three hundred ninety-nine thousand, nine hundred seventy-nine".