6773665211777 has 2 divisors, whose sum is σ = 6773665211778. Its totient is φ = 6773665211776.

The previous prime is 6773665211773. The next prime is 6773665211851. The reversal of 6773665211777 is 7771125663776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5005081737616 + 1768583474161 = 2237204^2 + 1329881^2 .

It is a cyclic number.

It is not a de Polignac number, because 6773665211777 - 2² = 6773665211773 is a prime.

It is not a weakly prime, because it can be changed into another prime (6773665211773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3386832605888 + 3386832605889.

It is an arithmetic number, because the mean of its divisors is an integer number (3386832605889).

Almost surely, 2^{6773665211777} is an apocalyptic number.

It is an amenable number.

6773665211777 is a deficient number, since it is larger than the sum of its proper divisors (1).

6773665211777 is an equidigital number, since it uses as much as digits as its factorization.

6773665211777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108909360, while the sum is 65.

The spelling of 6773665211777 in words is "six trillion, seven hundred seventy-three billion, six hundred sixty-five million, two hundred eleven thousand, seven hundred seventy-seven".