7668329771 has 2 divisors, whose sum is σ = 7668329772. Its totient is φ = 7668329770.

The previous prime is 7668329699. The next prime is 7668329783. The reversal of 7668329771 is 1779238667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7668329771 - 2³⁰ = 6594587947 is a prime.

It is not a weakly prime, because it can be changed into another prime (7668329371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3834164885 + 3834164886.

It is an arithmetic number, because the mean of its divisors is an integer number (3834164886).

Almost surely, 2^7668329771 is an apocalyptic number.

7668329771 is a deficient number, since it is larger than the sum of its proper divisors (1).

7668329771 is an equidigital number, since it uses as much as digits as its factorization.

7668329771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5334336, while the sum is 56.

The square root of 7668329771 is about 87569.0000570978. Note that the first 4 decimals coincide. The cubic root of 7668329771 is about 1971.9698035518.

The spelling of 7668329771 in words is "seven billion, six hundred sixty-eight million, three hundred twenty-nine thousand, seven hundred seventy-one".