676413677 has 2 divisors, whose sum is σ = 676413678. Its totient is φ = 676413676.

The previous prime is 676413671. The next prime is 676413691. The reversal of 676413677 is 776314676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 658486921 + 17926756 = 25661^2 + 4234^2 .

It is a cyclic number.

It is not a de Polignac number, because 676413677 - 2⁸ = 676413421 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 (676413671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338206838 + 338206839.

It is an arithmetic number, because the mean of its divisors is an integer number (338206839).

Almost surely, 2^676413677 is an apocalyptic number.

It is an amenable number.

676413677 is a deficient number, since it is larger than the sum of its proper divisors (1).

676413677 is an equidigital number, since it uses as much as digits as its factorization.

676413677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 47.

The square root of 676413677 is about 26007.9541102333. The cubic root of 676413677 is about 877.8172820934.

Subtracting 676413677 from its reverse (776314676), we obtain a palindrome (99900999).

The spelling of 676413677 in words is "six hundred seventy-six million, four hundred thirteen thousand, six hundred seventy-seven".