5666878 has 16 divisors (see below), whose sum is σ = 10137600. Its totient is φ = 2322936.

The previous prime is 5666873. The next prime is 5666887. The reversal of 5666878 is 8786665.

It is a happy number.

It is a super-2 number, since 2×5666878² = 64227012533768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8478 + ... + 9121.

It is an arithmetic number, because the mean of its divisors is an integer number (633600).

Almost surely, 2^5666878 is an apocalyptic number.

5666878 is a deficient number, since it is larger than the sum of its proper divisors (4470722).

5666878 is a wasteful number, since it uses less digits than its factorization.

5666878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17631.

The product of its digits is 483840, while the sum is 46.

The square root of 5666878 is about 2380.5205313124. The cubic root of 5666878 is about 178.2849243125.

The spelling of 5666878 in words is "five million, six hundred sixty-six thousand, eight hundred seventy-eight".