5678 has 8 divisors (see below), whose sum is σ = 9072. Its totient is φ = 2656.

The previous prime is 5669. The next prime is 5683. The reversal of 5678 is 8765.

5678 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is an alternating number because its digits alternate between odd and even.

It is a straight-line number, since its digits are in arithmetic progression.

It is a plaindrome in base 10 and base 13.

It is a congruent number.

It is an unprimeable number.

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, 50 + ... + 117.

It is an arithmetic number, because the mean of its divisors is an integer number (1134).

2⁵⁶⁷⁸ is an apocalyptic number.

5678 is a deficient number, since it is larger than the sum of its proper divisors (3394).

5678 is a wasteful number, since it uses less digits than its factorization.

5678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186.

The product of its digits is 1680, while the sum is 26.

The square root of 5678 is about 75.3525049351. The cubic root of 5678 is about 17.8401484031.

It can be divided in two parts, 567 and 8, that added together give a palindrome (575).

The spelling of 5678 in words is "five thousand, six hundred seventy-eight".