344478595807 has 2 divisors, whose sum is σ = 344478595808. Its totient is φ = 344478595806.

The previous prime is 344478595739. The next prime is 344478595883. The reversal of 344478595807 is 708595874443.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344478595807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344478595607) 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, 172239297903 + 172239297904.

It is an arithmetic number, because the mean of its divisors is an integer number (172239297904).

Almost surely, 2^344478595807 is an apocalyptic number.

344478595807 is a deficient number, since it is larger than the sum of its proper divisors (1).

344478595807 is an equidigital number, since it uses as much as digits as its factorization.

344478595807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135475200, while the sum is 64.

The spelling of 344478595807 in words is "three hundred forty-four billion, four hundred seventy-eight million, five hundred ninety-five thousand, eight hundred seven".