444135677 has 2 divisors, whose sum is σ = 444135678. Its totient is φ = 444135676.

The previous prime is 444135641. The next prime is 444135689. The reversal of 444135677 is 776531444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 444113476 + 22201 = 21074^2 + 149^2 .

It is a cyclic number.

It is not a de Polignac number, because 444135677 - 2⁶ = 444135613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444135607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222067838 + 222067839.

It is an arithmetic number, because the mean of its divisors is an integer number (222067839).

Almost surely, 2^444135677 is an apocalyptic number.

It is an amenable number.

444135677 is a deficient number, since it is larger than the sum of its proper divisors (1).

444135677 is an equidigital number, since it uses as much as digits as its factorization.

444135677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 41.

The square root of 444135677 is about 21074.5267325271. The cubic root of 444135677 is about 762.9660621822.

The spelling of 444135677 in words is "four hundred forty-four million, one hundred thirty-five thousand, six hundred seventy-seven".