676818937 has 2 divisors, whose sum is σ = 676818938. Its totient is φ = 676818936.

The previous prime is 676818929. The next prime is 676818971. The reversal of 676818937 is 739818676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487040761 + 189778176 = 22069^2 + 13776^2 .

It is a cyclic number.

It is not a de Polignac number, because 676818937 - 2³ = 676818929 is a prime.

It is a super-3 number, since 3×676818937³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (676818917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338409468 + 338409469.

It is an arithmetic number, because the mean of its divisors is an integer number (338409469).

Almost surely, 2^676818937 is an apocalyptic number.

It is an amenable number.

676818937 is a deficient number, since it is larger than the sum of its proper divisors (1).

676818937 is an equidigital number, since it uses as much as digits as its factorization.

676818937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 55.

The square root of 676818937 is about 26015.7440216497. The cubic root of 676818937 is about 877.9925561018.

The spelling of 676818937 in words is "six hundred seventy-six million, eight hundred eighteen thousand, nine hundred thirty-seven".