68789 has 8 divisors (see below), whose sum is σ = 81408. Its totient is φ = 56880.

The previous prime is 68777. The next prime is 68791. The reversal of 68789 is 98786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68789 - 2¹² = 64693 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59 + ... + 375.

It is an arithmetic number, because the mean of its divisors is an integer number (10176).

2⁶⁸⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

68789 is a deficient number, since it is larger than the sum of its proper divisors (12619).

68789 is a wasteful number, since it uses less digits than its factorization.

68789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355.

The product of its digits is 24192, while the sum is 38.

The square root of 68789 is about 262.2765715805. The cubic root of 68789 is about 40.9738083759.

The spelling of 68789 in words is "sixty-eight thousand, seven hundred eighty-nine".