9968911 has 2 divisors, whose sum is σ = 9968912. Its totient is φ = 9968910.

The previous prime is 9968899. The next prime is 9968927. The reversal of 9968911 is 1198699.

It is a weak prime.

It is an emirp because it is prime and its reverse (1198699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9968911 - 2⁵ = 9968879 is a prime.

9968911 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9968951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4984455 + 4984456.

It is an arithmetic number, because the mean of its divisors is an integer number (4984456).

Almost surely, 2^9968911 is an apocalyptic number.

9968911 is a deficient number, since it is larger than the sum of its proper divisors (1).

9968911 is an equidigital number, since it uses as much as digits as its factorization.

9968911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 43.

The square root of 9968911 is about 3157.3582311800. The cubic root of 9968911 is about 215.2199731673.

The spelling of 9968911 in words is "nine million, nine hundred sixty-eight thousand, nine hundred eleven".