776664554041063 has 2 divisors, whose sum is σ = 776664554041064. Its totient is φ = 776664554041062.

The previous prime is 776664554041007. The next prime is 776664554041067. The reversal of 776664554041063 is 360140455466677.

It is a strong prime.

It is an emirp because it is prime and its reverse (360140455466677) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 776664554041063 - 2⁴⁵ = 741480181952231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 776664554040986 and 776664554041004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (776664554041067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388332277020531 + 388332277020532.

It is an arithmetic number, because the mean of its divisors is an integer number (388332277020532).

Almost surely, 2^{776664554041063} is an apocalyptic number.

776664554041063 is a deficient number, since it is larger than the sum of its proper divisors (1).

776664554041063 is an equidigital number, since it uses as much as digits as its factorization.

776664554041063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 304819200, while the sum is 64.

The spelling of 776664554041063 in words is "seven hundred seventy-six trillion, six hundred sixty-four billion, five hundred fifty-four million, forty-one thousand, sixty-three".