68444111 has 2 divisors, whose sum is σ = 68444112. Its totient is φ = 68444110.

The previous prime is 68444107. The next prime is 68444119. The reversal of 68444111 is 11144486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68444111 - 2² = 68444107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68444119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34222055 + 34222056.

It is an arithmetic number, because the mean of its divisors is an integer number (34222056).

Almost surely, 2^68444111 is an apocalyptic number.

68444111 is a deficient number, since it is larger than the sum of its proper divisors (1).

68444111 is an equidigital number, since it uses as much as digits as its factorization.

68444111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 29.

The square root of 68444111 is about 8273.0956116801. The cubic root of 68444111 is about 409.0521650416.

Adding to 68444111 its reverse (11144486), we get a palindrome (79588597).

The spelling of 68444111 in words is "sixty-eight million, four hundred forty-four thousand, one hundred eleven".