444444468888887 has 2 divisors, whose sum is σ = 444444468888888. Its totient is φ = 444444468888886.

The previous prime is 444444468888863. The next prime is 444444468888907. The reversal of 444444468888887 is 788888864444444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444444468888887 - 2³² = 444440173921591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444444468888857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222222234444443 + 222222234444444.

It is an arithmetic number, because the mean of its divisors is an integer number (222222234444444).

Almost surely, 2^{444444468888887} is an apocalyptic number.

444444468888887 is a deficient number, since it is larger than the sum of its proper divisors (1).

444444468888887 is an equidigital number, since it uses as much as digits as its factorization.

444444468888887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180388626432, while the sum is 89.

The spelling of 444444468888887 in words is "four hundred forty-four trillion, four hundred forty-four billion, four hundred sixty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-seven".