444468887 has 2 divisors, whose sum is σ = 444468888. Its totient is φ = 444468886.

The previous prime is 444468883. The next prime is 444468923. The reversal of 444468887 is 788864444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444468887 - 2² = 444468883 is a prime.

It is a super-2 number, since 2×444468887² = 395105183022037538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444468883) 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, 222234443 + 222234444.

It is an arithmetic number, because the mean of its divisors is an integer number (222234444).

Almost surely, 2^444468887 is an apocalyptic number.

444468887 is a deficient number, since it is larger than the sum of its proper divisors (1).

444468887 is an equidigital number, since it uses as much as digits as its factorization.

444468887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5505024, while the sum is 53.

The square root of 444468887 is about 21082.4307659245. The cubic root of 444468887 is about 763.1568179832.

The spelling of 444468887 in words is "four hundred forty-four million, four hundred sixty-eight thousand, eight hundred eighty-seven".