444454368887 has 2 divisors, whose sum is σ = 444454368888. Its totient is φ = 444454368886.

The previous prime is 444454368877. The next prime is 444454368907. The reversal of 444454368887 is 788863454444.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444454368887 - 2⁴ = 444454368871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444454368847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222227184443 + 222227184444.

It is an arithmetic number, because the mean of its divisors is an integer number (222227184444).

Almost surely, 2^444454368887 is an apocalyptic number.

444454368887 is a deficient number, since it is larger than the sum of its proper divisors (1).

444454368887 is an equidigital number, since it uses as much as digits as its factorization.

444454368887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 330301440, while the sum is 65.

The spelling of 444454368887 in words is "four hundred forty-four billion, four hundred fifty-four million, three hundred sixty-eight thousand, eight hundred eighty-seven".