627403665667 has 2 divisors, whose sum is σ = 627403665668. Its totient is φ = 627403665666.

The previous prime is 627403665527. The next prime is 627403665703. The reversal of 627403665667 is 766566304726.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 627403665667 - 2¹¹ = 627403663619 is a prime.

It is not a weakly prime, because it can be changed into another prime (627403665767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313701832833 + 313701832834.

It is an arithmetic number, because the mean of its divisors is an integer number (313701832834).

Almost surely, 2^627403665667 is an apocalyptic number.

627403665667 is a deficient number, since it is larger than the sum of its proper divisors (1).

627403665667 is an equidigital number, since it uses as much as digits as its factorization.

627403665667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45722880, while the sum is 58.

The spelling of 627403665667 in words is "six hundred twenty-seven billion, four hundred three million, six hundred sixty-five thousand, six hundred sixty-seven".