676767677 has 2 divisors, whose sum is σ = 676767678. Its totient is φ = 676767676.

The previous prime is 676767673. The next prime is 676767683. The reversal of 676767677 is 776767676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 663886756 + 12880921 = 25766^2 + 3589^2 .

It is a cyclic number.

It is not a de Polignac number, because 676767677 - 2² = 676767673 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676767673) 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, 338383838 + 338383839.

It is an arithmetic number, because the mean of its divisors is an integer number (338383839).

Almost surely, 2^676767677 is an apocalyptic number.

It is an amenable number.

676767677 is a deficient number, since it is larger than the sum of its proper divisors (1).

676767677 is an equidigital number, since it uses as much as digits as its factorization.

676767677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21781872, while the sum is 59.

The square root of 676767677 is about 26014.7588303255. The cubic root of 676767677 is about 877.9703901368.

Subtracting 676767677 from its reverse (776767676), we obtain a palindrome (99999999).

The spelling of 676767677 in words is "six hundred seventy-six million, seven hundred sixty-seven thousand, six hundred seventy-seven".