6779608247 has 2 divisors, whose sum is σ = 6779608248. Its totient is φ = 6779608246.

The previous prime is 6779608237. The next prime is 6779608289. The reversal of 6779608247 is 7428069776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6779608247 - 2⁶ = 6779608183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6779608192 and 6779608201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6779608207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3389804123 + 3389804124.

It is an arithmetic number, because the mean of its divisors is an integer number (3389804124).

Almost surely, 2^6779608247 is an apocalyptic number.

6779608247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6779608247 is an equidigital number, since it uses as much as digits as its factorization.

6779608247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The square root of 6779608247 is about 82338.3765142355. The cubic root of 6779608247 is about 1892.6408076266.

The spelling of 6779608247 in words is "six billion, seven hundred seventy-nine million, six hundred eight thousand, two hundred forty-seven".