6949777 has 2 divisors, whose sum is σ = 6949778. Its totient is φ = 6949776.

The previous prime is 6949769. The next prime is 6949783. The reversal of 6949777 is 7779496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3651921 + 3297856 = 1911^2 + 1816^2 .

It is a cyclic number.

It is not a de Polignac number, because 6949777 - 2³ = 6949769 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6 + 9⁶ + 4⁶ + 9⁶ + 7³ + 7⁶ + 7⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 6949777.

It is not a weakly prime, because it can be changed into another prime (6949727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3474888 + 3474889.

It is an arithmetic number, because the mean of its divisors is an integer number (3474889).

Almost surely, 2^6949777 is an apocalyptic number.

It is an amenable number.

6949777 is a deficient number, since it is larger than the sum of its proper divisors (1).

6949777 is an equidigital number, since it uses as much as digits as its factorization.

6949777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 49.

The square root of 6949777 is about 2636.2429705928. The cubic root of 6949777 is about 190.8345286162.

The spelling of 6949777 in words is "six million, nine hundred forty-nine thousand, seven hundred seventy-seven".