5566777889 has 8 divisors (see below), whose sum is σ = 5588278080. Its totient is φ = 5545300176.

The previous prime is 5566777859. The next prime is 5566777907. The reversal of 5566777889 is 9887776655.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5566777889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (5566777859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621527 + ... + 630419.

It is an arithmetic number, because the mean of its divisors is an integer number (698534760).

Almost surely, 2^5566777889 is an apocalyptic number.

It is an amenable number.

5566777889 is a deficient number, since it is larger than the sum of its proper divisors (21500191).

5566777889 is a wasteful number, since it uses less digits than its factorization.

5566777889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11239.

The product of its digits is 177811200, while the sum is 68.

The square root of 5566777889 is about 74610.8429720507. The cubic root of 5566777889 is about 1772.2893640922.

The spelling of 5566777889 in words is "five billion, five hundred sixty-six million, seven hundred seventy-seven thousand, eight hundred eighty-nine".