5778889 has 4 divisors (see below), whose sum is σ = 5794756. Its totient is φ = 5763024.

The previous prime is 5778887. The next prime is 5778893. The reversal of 5778889 is 9888775.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1440000 + 4338889 = 1200^2 + 2083^2 .

It is a cyclic number.

It is not a de Polignac number, because 5778889 - 2¹ = 5778887 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (5778887) 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, 7374 + ... + 8119.

It is an arithmetic number, because the mean of its divisors is an integer number (1448689).

Almost surely, 2^5778889 is an apocalyptic number.

It is an amenable number.

5778889 is a deficient number, since it is larger than the sum of its proper divisors (15867).

5778889 is a wasteful number, since it uses less digits than its factorization.

5778889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15866.

The product of its digits is 1128960, while the sum is 52.

The square root of 5778889 is about 2403.9319873907. The cubic root of 5778889 is about 179.4519234068.

The spelling of 5778889 in words is "five million, seven hundred seventy-eight thousand, eight hundred eighty-nine".