676667963 has 2 divisors, whose sum is σ = 676667964. Its totient is φ = 676667962.

The previous prime is 676667941. The next prime is 676667989. The reversal of 676667963 is 369766676.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 676667963 - 2⁶ = 676667899 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 676667899 and 676667908.

It is not a weakly prime, because it can be changed into another prime (676667903) 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, 338333981 + 338333982.

It is an arithmetic number, because the mean of its divisors is an integer number (338333982).

Almost surely, 2^676667963 is an apocalyptic number.

676667963 is a deficient number, since it is larger than the sum of its proper divisors (1).

676667963 is an equidigital number, since it uses as much as digits as its factorization.

676667963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10287648, while the sum is 56.

The square root of 676667963 is about 26012.8422706939. The cubic root of 676667963 is about 877.9272683771.

The spelling of 676667963 in words is "six hundred seventy-six million, six hundred sixty-seven thousand, nine hundred sixty-three".