2668705760477 has 2 divisors, whose sum is σ = 2668705760478. Its totient is φ = 2668705760476.

The previous prime is 2668705760459. The next prime is 2668705760527. The reversal of 2668705760477 is 7740675078662.

2668705760477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2524139272516 + 144566487961 = 1588754^2 + 380219^2 .

It is a cyclic number.

It is not a de Polignac number, because 2668705760477 - 2³⁴ = 2651525891293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2668705760377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334352880238 + 1334352880239.

It is an arithmetic number, because the mean of its divisors is an integer number (1334352880239).

Almost surely, 2^{2668705760477} is an apocalyptic number.

It is an amenable number.

2668705760477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668705760477 is an equidigital number, since it uses as much as digits as its factorization.

2668705760477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165957120, while the sum is 65.

The spelling of 2668705760477 in words is "two trillion, six hundred sixty-eight billion, seven hundred five million, seven hundred sixty thousand, four hundred seventy-seven".