766668299 has 2 divisors, whose sum is σ = 766668300. Its totient is φ = 766668298.

The previous prime is 766668293. The next prime is 766668311. The reversal of 766668299 is 992866667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 766668299 - 2²⁴ = 749891083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (766668293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383334149 + 383334150.

It is an arithmetic number, because the mean of its divisors is an integer number (383334150).

Almost surely, 2^766668299 is an apocalyptic number.

766668299 is a deficient number, since it is larger than the sum of its proper divisors (1).

766668299 is an equidigital number, since it uses as much as digits as its factorization.

766668299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 59.

The square root of 766668299 is about 27688.7756861874. The cubic root of 766668299 is about 915.2417763145.

The spelling of 766668299 in words is "seven hundred sixty-six million, six hundred sixty-eight thousand, two hundred ninety-nine".