99968843 has 4 divisors (see below), whose sum is σ = 107658768. Its totient is φ = 92278920.

The previous prime is 99968839. The next prime is 99968863. The reversal of 99968843 is 34886999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34886999 = 7 ⋅4983857.

It is a cyclic number.

It is not a de Polignac number, because 99968843 - 2² = 99968839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99968863) 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, 3844943 + ... + 3844968.

It is an arithmetic number, because the mean of its divisors is an integer number (26914692).

Almost surely, 2^99968843 is an apocalyptic number.

99968843 is a deficient number, since it is larger than the sum of its proper divisors (7689925).

99968843 is a wasteful number, since it uses less digits than its factorization.

99968843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7689924.

The product of its digits is 3359232, while the sum is 56.

The square root of 99968843 is about 9998.4420286363. The cubic root of 99968843 is about 464.1106723595.

The spelling of 99968843 in words is "ninety-nine million, nine hundred sixty-eight thousand, eight hundred forty-three".