676670719 has 2 divisors, whose sum is σ = 676670720. Its totient is φ = 676670718.

The previous prime is 676670651. The next prime is 676670779. The reversal of 676670719 is 917076676.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676670719 is a prime.

It is a super-2 number, since 2×676670719² = 915766523903953922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676670779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338335359 + 338335360.

It is an arithmetic number, because the mean of its divisors is an integer number (338335360).

Almost surely, 2^676670719 is an apocalyptic number.

676670719 is a deficient number, since it is larger than the sum of its proper divisors (1).

676670719 is an equidigital number, since it uses as much as digits as its factorization.

676670719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 676670719 is about 26012.8952444744. The cubic root of 676670719 is about 877.9284602784.

The spelling of 676670719 in words is "six hundred seventy-six million, six hundred seventy thousand, seven hundred nineteen".