999968327 has 4 divisors (see below), whose sum is σ = 1026994536. Its totient is φ = 972942120.

The previous prime is 999968297. The next prime is 999968329. The reversal of 999968327 is 723869999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999968327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 999968327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999968329) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13513049 + ... + 13513122.

It is an arithmetic number, because the mean of its divisors is an integer number (256748634).

Almost surely, 2^999968327 is an apocalyptic number.

999968327 is a deficient number, since it is larger than the sum of its proper divisors (27026209).

999968327 is a wasteful number, since it uses less digits than its factorization.

999968327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27026208.

The product of its digits is 13226976, while the sum is 62.

The square root of 999968327 is about 31622.2758036167. The cubic root of 999968327 is about 999.9894422219.

The spelling of 999968327 in words is "nine hundred ninety-nine million, nine hundred sixty-eight thousand, three hundred twenty-seven".