9968766994 has 8 divisors (see below), whose sum is σ = 15468776460. Its totient is φ = 4812508176.

The previous prime is 9968766919. The next prime is 9968767021. The reversal of 9968766994 is 4996678699.

It can be written as a sum of positive squares in 2 ways, for example, as 9754525225 + 214241769 = 98765^2 + 14637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85937589 + ... + 85937704.

Almost surely, 2^9968766994 is an apocalyptic number.

9968766994 is a deficient number, since it is larger than the sum of its proper divisors (5500009466).

9968766994 is a wasteful number, since it uses less digits than its factorization.

9968766994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171875324.

The product of its digits is 317447424, while the sum is 73.

The square root of 9968766994 is about 99843.7128416206. The cubic root of 9968766994 is about 2152.1893684154.

The spelling of 9968766994 in words is "nine billion, nine hundred sixty-eight million, seven hundred sixty-six thousand, nine hundred ninety-four".