444517840087 has 2 divisors, whose sum is σ = 444517840088. Its totient is φ = 444517840086.

The previous prime is 444517840037. The next prime is 444517840121. The reversal of 444517840087 is 780048715444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444517840087 - 2¹⁹ = 444517315799 is a prime.

It is a super-2 number, since 2×444517840087² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444517840037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222258920043 + 222258920044.

It is an arithmetic number, because the mean of its divisors is an integer number (222258920044).

Almost surely, 2^444517840087 is an apocalyptic number.

444517840087 is a deficient number, since it is larger than the sum of its proper divisors (1).

444517840087 is an equidigital number, since it uses as much as digits as its factorization.

444517840087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4014080, while the sum is 52.

The spelling of 444517840087 in words is "four hundred forty-four billion, five hundred seventeen million, eight hundred forty thousand, eighty-seven".