6909677 has 2 divisors, whose sum is σ = 6909678. Its totient is φ = 6909676.

The previous prime is 6909659. The next prime is 6909709. The reversal of 6909677 is 7769096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4932841 + 1976836 = 2221^2 + 1406^2 .

It is a cyclic number.

It is not a de Polignac number, because 6909677 - 2⁶ = 6909613 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 (6909647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3454838 + 3454839.

It is an arithmetic number, because the mean of its divisors is an integer number (3454839).

Almost surely, 2^6909677 is an apocalyptic number.

It is an amenable number.

6909677 is a deficient number, since it is larger than the sum of its proper divisors (1).

6909677 is an equidigital number, since it uses as much as digits as its factorization.

6909677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 6909677 is about 2628.6264474056. The cubic root of 6909677 is about 190.4667839571.

The spelling of 6909677 in words is "six million, nine hundred nine thousand, six hundred seventy-seven".