6776006773 has 2 divisors, whose sum is σ = 6776006774. Its totient is φ = 6776006772.

The previous prime is 6776006771. The next prime is 6776006777. The reversal of 6776006773 is 3776006776.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6496682404 + 279324369 = 80602^2 + 16713^2 .

It is a cyclic number.

It is not a de Polignac number, because 6776006773 - 2¹ = 6776006771 is a prime.

It is a super-3 number, since 3×6776006773³ (a number of 30 digits) contains 333 as substring.

Together with 6776006771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6776006771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388003386 + 3388003387.

It is an arithmetic number, because the mean of its divisors is an integer number (3388003387).

Almost surely, 2^6776006773 is an apocalyptic number.

It is an amenable number.

6776006773 is a deficient number, since it is larger than the sum of its proper divisors (1).

6776006773 is an equidigital number, since it uses as much as digits as its factorization.

6776006773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555848, while the sum is 49.

The square root of 6776006773 is about 82316.5036490253. The cubic root of 6776006773 is about 1892.3056110707.

The spelling of 6776006773 in words is "six billion, seven hundred seventy-six million, six thousand, seven hundred seventy-three".