5679 has 6 divisors (see below), whose sum is σ = 8216. Its totient is φ = 3780.

The previous prime is 5669. The next prime is 5683. The reversal of 5679 is 9765.

It is not a de Polignac number, because 5679 - 2⁵ = 5647 is a prime.

It is a Duffinian number.

5679 is a lucky number.

It is a plaindrome in base 10 and base 13.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307 + ... + 324.

2⁵⁶⁷⁹ is an apocalyptic number.

5679 is a deficient number, since it is larger than the sum of its proper divisors (2537).

5679 is a wasteful number, since it uses less digits than its factorization.

5679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 634 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 5679 is about 75.3591401225. The cubic root of 5679 is about 17.8411956675.

Adding to 5679 its product of digits (1890), we get a square (7569 = 87²).

It can be divided in two parts, 567 and 9, that added together give a square (576 = 24²).

The spelling of 5679 in words is "five thousand, six hundred seventy-nine".