444444800477 has 2 divisors, whose sum is σ = 444444800478. Its totient is φ = 444444800476.

The previous prime is 444444800441. The next prime is 444444800479. The reversal of 444444800477 is 774008444444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443570652121 + 874148356 = 666011^2 + 29566^2 .

It is a cyclic number.

It is not a de Polignac number, because 444444800477 - 2⁸ = 444444800221 is a prime.

Together with 444444800479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444444800479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222222400238 + 222222400239.

It is an arithmetic number, because the mean of its divisors is an integer number (222222400239).

Almost surely, 2^444444800477 is an apocalyptic number.

It is an amenable number.

444444800477 is a deficient number, since it is larger than the sum of its proper divisors (1).

444444800477 is an equidigital number, since it uses as much as digits as its factorization.

444444800477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6422528, while the sum is 50.

The spelling of 444444800477 in words is "four hundred forty-four billion, four hundred forty-four million, eight hundred thousand, four hundred seventy-seven".