6961777 has 2 divisors, whose sum is σ = 6961778. Its totient is φ = 6961776.

The previous prime is 6961753. The next prime is 6961813. The reversal of 6961777 is 7771696.

It is a happy number.

6961777 is digitally balanced in base 3, 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., 4648336 + 2313441 = 2156^2 + 1521^2 .

It is a cyclic number.

It is not a de Polignac number, because 6961777 - 2⁷ = 6961649 is a prime.

6961777 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6962777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3480888 + 3480889.

It is an arithmetic number, because the mean of its divisors is an integer number (3480889).

Almost surely, 2^6961777 is an apocalyptic number.

It is an amenable number.

6961777 is a deficient number, since it is larger than the sum of its proper divisors (1).

6961777 is an equidigital number, since it uses as much as digits as its factorization.

6961777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111132, while the sum is 43.

The square root of 6961777 is about 2638.5179552165. The cubic root of 6961777 is about 190.9443018061.

The spelling of 6961777 in words is "six million, nine hundred sixty-one thousand, seven hundred seventy-seven".