676779413 has 2 divisors, whose sum is σ = 676779414. Its totient is φ = 676779412.

The previous prime is 676779403. The next prime is 676779443. The reversal of 676779413 is 314977676.

It is a happy number.

676779413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 665536804 + 11242609 = 25798^2 + 3353^2 .

It is a cyclic number.

It is not a de Polignac number, because 676779413 - 2⁸ = 676779157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676779403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338389706 + 338389707.

It is an arithmetic number, because the mean of its divisors is an integer number (338389707).

Almost surely, 2^676779413 is an apocalyptic number.

It is an amenable number.

676779413 is a deficient number, since it is larger than the sum of its proper divisors (1).

676779413 is an equidigital number, since it uses as much as digits as its factorization.

676779413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 50.

The square root of 676779413 is about 26014.9843936144. The cubic root of 676779413 is about 877.9754651432.

The spelling of 676779413 in words is "six hundred seventy-six million, seven hundred seventy-nine thousand, four hundred thirteen".