9679999966 has 16 divisors (see below), whose sum is σ = 17870769504. Its totient is φ = 3829450464.

The previous prime is 9679999909. The next prime is 9679999981. The reversal of 9679999966 is 6699999769.

9679999966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26593225 + ... + 26593588.

It is an arithmetic number, because the mean of its divisors is an integer number (1116923094).

Almost surely, 2^9679999966 is an apocalyptic number.

9679999966 is a deficient number, since it is larger than the sum of its proper divisors (8190769538).

9679999966 is a wasteful number, since it uses less digits than its factorization.

9679999966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53186835.

The product of its digits is 803538792, while the sum is 79.

The square root of 9679999966 is about 98386.9908372037. The cubic root of 9679999966 is about 2131.2044710380.

The spelling of 9679999966 in words is "nine billion, six hundred seventy-nine million, nine hundred ninety-nine thousand, nine hundred sixty-six".