5778823 has 4 divisors (see below), whose sum is σ = 5795280. Its totient is φ = 5762368.

The previous prime is 5778821. The next prime is 5778847. The reversal of 5778823 is 3288775.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5778823 - 2¹ = 5778821 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

5778823 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5778821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7690 + ... + 8407.

It is an arithmetic number, because the mean of its divisors is an integer number (1448820).

Almost surely, 2^5778823 is an apocalyptic number.

5778823 is a deficient number, since it is larger than the sum of its proper divisors (16457).

5778823 is a wasteful number, since it uses less digits than its factorization.

5778823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16456.

The product of its digits is 94080, while the sum is 40.

The square root of 5778823 is about 2403.9182598416. The cubic root of 5778823 is about 179.4512402379.

The spelling of 5778823 in words is "five million, seven hundred seventy-eight thousand, eight hundred twenty-three".