7868 has 12 divisors (see below), whose sum is σ = 15792. Its totient is φ = 3360.

The previous prime is 7867. The next prime is 7873. The reversal of 7868 is 8687.

7868 is nontrivially palindromic in base 13.

7868 is an admirable number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 7868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7867) 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, 113 + ... + 168.

It is an arithmetic number, because the mean of its divisors is an integer number (1316).

2⁷⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

7868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7896).

7868 is a wasteful number, since it uses less digits than its factorization.

7868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 290 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 7868 is about 88.7017474461. The cubic root of 7868 is about 19.8893893924.

The spelling of 7868 in words is "seven thousand, eight hundred sixty-eight".