676918919 has 2 divisors, whose sum is σ = 676918920. Its totient is φ = 676918918.

The previous prime is 676918873. The next prime is 676918927. The reversal of 676918919 is 919819676.

676918919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676918919 is a prime.

It is a super-2 number, since 2×676918919² = 916438445800257122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676918939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338459459 + 338459460.

It is an arithmetic number, because the mean of its divisors is an integer number (338459460).

Almost surely, 2^676918919 is an apocalyptic number.

676918919 is a deficient number, since it is larger than the sum of its proper divisors (1).

676918919 is an equidigital number, since it uses as much as digits as its factorization.

676918919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 56.

The square root of 676918919 is about 26017.6655178746. The cubic root of 676918919 is about 878.0357873240.

The spelling of 676918919 in words is "six hundred seventy-six million, nine hundred eighteen thousand, nine hundred nineteen".