7782344663 has 2 divisors, whose sum is σ = 7782344664. Its totient is φ = 7782344662.

The previous prime is 7782344627. The next prime is 7782344683. The reversal of 7782344663 is 3664432877.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7782344663 - 2⁸ = 7782344407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7782344683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3891172331 + 3891172332.

It is an arithmetic number, because the mean of its divisors is an integer number (3891172332).

Almost surely, 2^7782344663 is an apocalyptic number.

7782344663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7782344663 is an equidigital number, since it uses as much as digits as its factorization.

7782344663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 50.

The square root of 7782344663 is about 88217.5983747007. The cubic root of 7782344663 is about 1981.6950304177.

The spelling of 7782344663 in words is "seven billion, seven hundred eighty-two million, three hundred forty-four thousand, six hundred sixty-three".