669110797 has 2 divisors, whose sum is σ = 669110798. Its totient is φ = 669110796.

The previous prime is 669110791. The next prime is 669110801. The reversal of 669110797 is 797011966.

669110797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 664556841 + 4553956 = 25779^2 + 2134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-669110797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (669110791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334555398 + 334555399.

It is an arithmetic number, because the mean of its divisors is an integer number (334555399).

Almost surely, 2^669110797 is an apocalyptic number.

It is an amenable number.

669110797 is a deficient number, since it is larger than the sum of its proper divisors (1).

669110797 is an equidigital number, since it uses as much as digits as its factorization.

669110797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 669110797 is about 25867.1760538332. The cubic root of 669110797 is about 874.6467350005.

The spelling of 669110797 in words is "six hundred sixty-nine million, one hundred ten thousand, seven hundred ninety-seven".