6774776713 has 2 divisors, whose sum is σ = 6774776714. Its totient is φ = 6774776712.

The previous prime is 6774776653. The next prime is 6774776719. The reversal of 6774776713 is 3176774776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6346990224 + 427786489 = 79668^2 + 20683^2 .

It is a cyclic number.

It is not a de Polignac number, because 6774776713 - 2¹³ = 6774768521 is a prime.

It is a super-2 number, since 2×6774776713² = 91795199022014168738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6774776719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3387388356 + 3387388357.

It is an arithmetic number, because the mean of its divisors is an integer number (3387388357).

Almost surely, 2^6774776713 is an apocalyptic number.

It is an amenable number.

6774776713 is a deficient number, since it is larger than the sum of its proper divisors (1).

6774776713 is an equidigital number, since it uses as much as digits as its factorization.

6774776713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7260624, while the sum is 55.

The square root of 6774776713 is about 82309.0317826665. The cubic root of 6774776713 is about 1892.1910996591.

The spelling of 6774776713 in words is "six billion, seven hundred seventy-four million, seven hundred seventy-six thousand, seven hundred thirteen".