6774229712977 has 2 divisors, whose sum is σ = 6774229712978. Its totient is φ = 6774229712976.

The previous prime is 6774229712963. The next prime is 6774229712983. The reversal of 6774229712977 is 7792179224776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6733189435921 + 41040277056 = 2594839^2 + 202584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6774229712977 is a prime.

It is not a weakly prime, because it can be changed into another prime (6774229712947) 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, 3387114856488 + 3387114856489.

It is an arithmetic number, because the mean of its divisors is an integer number (3387114856489).

Almost surely, 2^{6774229712977} is an apocalyptic number.

It is an amenable number.

6774229712977 is a deficient number, since it is larger than the sum of its proper divisors (1).

6774229712977 is an equidigital number, since it uses as much as digits as its factorization.

6774229712977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 261382464, while the sum is 70.

The spelling of 6774229712977 in words is "six trillion, seven hundred seventy-four billion, two hundred twenty-nine million, seven hundred twelve thousand, nine hundred seventy-seven".