444663377 has 2 divisors, whose sum is σ = 444663378. Its totient is φ = 444663376.

The previous prime is 444663361. The next prime is 444663379. The reversal of 444663377 is 773366444.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309197056 + 135466321 = 17584^2 + 11639^2 .

It is a cyclic number.

It is not a de Polignac number, because 444663377 - 2⁴ = 444663361 is a prime.

Together with 444663379, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (444663379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222331688 + 222331689.

It is an arithmetic number, because the mean of its divisors is an integer number (222331689).

Almost surely, 2^444663377 is an apocalyptic number.

It is an amenable number.

444663377 is a deficient number, since it is larger than the sum of its proper divisors (1).

444663377 is an equidigital number, since it uses as much as digits as its factorization.

444663377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 44.

The square root of 444663377 is about 21087.0428699711. The cubic root of 444663377 is about 763.2681154063.

The spelling of 444663377 in words is "four hundred forty-four million, six hundred sixty-three thousand, three hundred seventy-seven".