6777049 has 2 divisors, whose sum is σ = 6777050. Its totient is φ = 6777048.

The previous prime is 6777047. The next prime is 6777061. The reversal of 6777049 is 9407776.

It is a happy number.

6777049 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., 6411024 + 366025 = 2532^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 6777049 - 2¹ = 6777047 is a prime.

Together with 6777047, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6777041) 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, 3388524 + 3388525.

It is an arithmetic number, because the mean of its divisors is an integer number (3388525).

Almost surely, 2^6777049 is an apocalyptic number.

It is an amenable number.

6777049 is a deficient number, since it is larger than the sum of its proper divisors (1).

6777049 is an equidigital number, since it uses as much as digits as its factorization.

6777049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 6777049 is about 2603.2765892237. The cubic root of 6777049 is about 189.2402625480.

The spelling of 6777049 in words is "six million, seven hundred seventy-seven thousand, forty-nine".