444662220887 has 2 divisors, whose sum is σ = 444662220888. Its totient is φ = 444662220886.

The previous prime is 444662220799. The next prime is 444662220913. The reversal of 444662220887 is 788022266444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444662220887 - 2²² = 444658026583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444662220787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222331110443 + 222331110444.

It is an arithmetic number, because the mean of its divisors is an integer number (222331110444).

Almost surely, 2^444662220887 is an apocalyptic number.

444662220887 is a deficient number, since it is larger than the sum of its proper divisors (1).

444662220887 is an equidigital number, since it uses as much as digits as its factorization.

444662220887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8257536, while the sum is 53.

The spelling of 444662220887 in words is "four hundred forty-four billion, six hundred sixty-two million, two hundred twenty thousand, eight hundred eighty-seven".