68789111 has 4 divisors (see below), whose sum is σ = 68813712. Its totient is φ = 68764512.

The previous prime is 68789099. The next prime is 68789117. The reversal of 68789111 is 11198786.

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

It is a cyclic number.

It is not a de Polignac number, because 68789111 - 2¹⁴ = 68772727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68789117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7475 + ... + 13908.

It is an arithmetic number, because the mean of its divisors is an integer number (17203428).

Almost surely, 2^68789111 is an apocalyptic number.

68789111 is a deficient number, since it is larger than the sum of its proper divisors (24601).

68789111 is a wasteful number, since it uses less digits than its factorization.

68789111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24600.

The product of its digits is 24192, while the sum is 41.

The square root of 68789111 is about 8293.9201225958. The cubic root of 68789111 is about 409.7383041478.

It can be divided in two parts, 687 and 89111, that added together give a palindrome (89798).

The spelling of 68789111 in words is "sixty-eight million, seven hundred eighty-nine thousand, one hundred eleven".