7716716771 has 2 divisors, whose sum is σ = 7716716772. Its totient is φ = 7716716770.

The previous prime is 7716716717. The next prime is 7716716783. The reversal of 7716716771 is 1776176177.

It is a happy number.

7716716771 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (7716716717) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7716716771 is a prime.

It is not a weakly prime, because it can be changed into another prime (7716716701) 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, 3858358385 + 3858358386.

It is an arithmetic number, because the mean of its divisors is an integer number (3858358386).

Almost surely, 2^7716716771 is an apocalyptic number.

7716716771 is a deficient number, since it is larger than the sum of its proper divisors (1).

7716716771 is an equidigital number, since it uses as much as digits as its factorization.

7716716771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 605052, while the sum is 50.

The square root of 7716716771 is about 87844.8448743579. The cubic root of 7716716771 is about 1976.1088060794.

The spelling of 7716716771 in words is "seven billion, seven hundred sixteen million, seven hundred sixteen thousand, seven hundred seventy-one".