5566778339 has 4 divisors (see below), whose sum is σ = 5567087040. Its totient is φ = 5566469640.

The previous prime is 5566778311. The next prime is 5566778351. The reversal of 5566778339 is 9338776655.

It is a happy number.

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 5566778339 - 2⁸ = 5566778083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5566778939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125504 + ... + 163965.

It is an arithmetic number, because the mean of its divisors is an integer number (1391771760).

Almost surely, 2^5566778339 is an apocalyptic number.

5566778339 is a deficient number, since it is larger than the sum of its proper divisors (308701).

5566778339 is a wasteful number, since it uses less digits than its factorization.

5566778339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308700.

The product of its digits is 28576800, while the sum is 59.

The square root of 5566778339 is about 74610.8459876981. The cubic root of 5566778339 is about 1772.2894118475.

The spelling of 5566778339 in words is "five billion, five hundred sixty-six million, seven hundred seventy-eight thousand, three hundred thirty-nine".