6698677 has 2 divisors, whose sum is σ = 6698678. Its totient is φ = 6698676.

The previous prime is 6698651. The next prime is 6698687. The reversal of 6698677 is 7768966.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5948721 + 749956 = 2439^2 + 866^2 .

It is a cyclic number.

It is not a de Polignac number, because 6698677 - 2¹⁵ = 6665909 is a prime.

6698677 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6698677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6698687) 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, 3349338 + 3349339.

It is an arithmetic number, because the mean of its divisors is an integer number (3349339).

Almost surely, 2^6698677 is an apocalyptic number.

It is an amenable number.

6698677 is a deficient number, since it is larger than the sum of its proper divisors (1).

6698677 is an equidigital number, since it uses as much as digits as its factorization.

6698677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The square root of 6698677 is about 2588.1802487462. The cubic root of 6698677 is about 188.5079537061.

The spelling of 6698677 in words is "six million, six hundred ninety-eight thousand, six hundred seventy-seven".