6677677 has 2 divisors, whose sum is σ = 6677678. Its totient is φ = 6677676.

The previous prime is 6677663. The next prime is 6677707. The reversal of 6677677 is 7767766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4024036 + 2653641 = 2006^2 + 1629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6677677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6677477) 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, 3338838 + 3338839.

It is an arithmetic number, because the mean of its divisors is an integer number (3338839).

Almost surely, 2^6677677 is an apocalyptic number.

It is an amenable number.

6677677 is a deficient number, since it is larger than the sum of its proper divisors (1).

6677677 is an equidigital number, since it uses as much as digits as its factorization.

6677677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518616, while the sum is 46.

The square root of 6677677 is about 2584.1201597449. The cubic root of 6677677 is about 188.3107599924.

The spelling of 6677677 in words is "six million, six hundred seventy-seven thousand, six hundred seventy-seven".