68387 has 4 divisors (see below), whose sum is σ = 74616. Its totient is φ = 62160.

The previous prime is 68371. The next prime is 68389. The reversal of 68387 is 78386.

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 68387 - 2⁴ = 68371 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 68387.

It is not an unprimeable number, because it can be changed into a prime (68389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3098 + ... + 3119.

It is an arithmetic number, because the mean of its divisors is an integer number (18654).

2⁶⁸³⁸⁷ is an apocalyptic number.

68387 is a deficient number, since it is larger than the sum of its proper divisors (6229).

68387 is a wasteful number, since it uses less digits than its factorization.

68387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6228.

The product of its digits is 8064, while the sum is 32.

The square root of 68387 is about 261.5090820603. The cubic root of 68387 is about 40.8938359882.

Subtracting 68387 from its reverse (78386), we obtain a palindrome (9999).

The spelling of 68387 in words is "sixty-eight thousand, three hundred eighty-seven".