5978 has 12 divisors (see below), whose sum is σ = 10602. Its totient is φ = 2520.

The previous prime is 5953. The next prime is 5981. The reversal of 5978 is 8795.

It is a happy number.

5978 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 5929 + 49 = 77^2 + 7^2 .

5978 is an undulating number in base 11.

Its product of digits (2520) is a multiple of the sum of its prime divisors (70).

It is a self number, because there is not a number n which added to its sum of digits gives 5978.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68 + ... + 128.

2⁵⁹⁷⁸ is an apocalyptic number.

5978 is a deficient number, since it is larger than the sum of its proper divisors (4624).

5978 is a wasteful number, since it uses less digits than its factorization.

5978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 70 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 5978 is about 77.3175271203. The cubic root of 5978 is about 18.1489694766.

The spelling of 5978 in words is "five thousand, nine hundred seventy-eight".