770863266647 has 2 divisors, whose sum is σ = 770863266648. Its totient is φ = 770863266646.

The previous prime is 770863266619. The next prime is 770863266689. The reversal of 770863266647 is 746662368077.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 770863266647 - 2⁶ = 770863266583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 770863266647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770863265647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385431633323 + 385431633324.

It is an arithmetic number, because the mean of its divisors is an integer number (385431633324).

Almost surely, 2^770863266647 is an apocalyptic number.

770863266647 is a deficient number, since it is larger than the sum of its proper divisors (1).

770863266647 is an equidigital number, since it uses as much as digits as its factorization.

770863266647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85349376, while the sum is 62.

The spelling of 770863266647 in words is "seven hundred seventy billion, eight hundred sixty-three million, two hundred sixty-six thousand, six hundred forty-seven".