966666697 has 2 divisors, whose sum is σ = 966666698. Its totient is φ = 966666696.

The previous prime is 966666691. The next prime is 966666713. The reversal of 966666697 is 796666669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 871194256 + 95472441 = 29516^2 + 9771^2 .

It is an emirp because it is prime and its reverse (796666669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 966666697 - 2³ = 966666689 is a prime.

It is not a weakly prime, because it can be changed into another prime (966666691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483333348 + 483333349.

It is an arithmetic number, because the mean of its divisors is an integer number (483333349).

Almost surely, 2^966666697 is an apocalyptic number.

It is an amenable number.

966666697 is a deficient number, since it is larger than the sum of its proper divisors (1).

966666697 is an equidigital number, since it uses as much as digits as its factorization.

966666697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26453952, while the sum is 61.

The square root of 966666697 is about 31091.2639981072. The cubic root of 966666697 is about 988.7631041239.

The spelling of 966666697 in words is "nine hundred sixty-six million, six hundred sixty-six thousand, six hundred ninety-seven".