676626679 has 2 divisors, whose sum is σ = 676626680. Its totient is φ = 676626678.

The previous prime is 676626661. The next prime is 676626703. The reversal of 676626679 is 976626676.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 676626679 - 2⁵ = 676626647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676626619) 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, 338313339 + 338313340.

It is an arithmetic number, because the mean of its divisors is an integer number (338313340).

Almost surely, 2^676626679 is an apocalyptic number.

676626679 is a deficient number, since it is larger than the sum of its proper divisors (1).

676626679 is an equidigital number, since it uses as much as digits as its factorization.

676626679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6858432, while the sum is 55.

The square root of 676626679 is about 26012.0487274647. The cubic root of 676626679 is about 877.9094136889.

The spelling of 676626679 in words is "six hundred seventy-six million, six hundred twenty-six thousand, six hundred seventy-nine".