5566777879 has 16 divisors (see below), whose sum is σ = 6157855872. Its totient is φ = 5000817888.

The previous prime is 5566777859. The next prime is 5566777907. The reversal of 5566777879 is 9787776655.

It is a cyclic number.

It is not a de Polignac number, because 5566777879 - 2⁹ = 5566777367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33792 + ... + 110794.

It is an arithmetic number, because the mean of its divisors is an integer number (384865992).

Almost surely, 2^5566777879 is an apocalyptic number.

5566777879 is a deficient number, since it is larger than the sum of its proper divisors (591077993).

5566777879 is a wasteful number, since it uses less digits than its factorization.

5566777879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77166.

The product of its digits is 155584800, while the sum is 67.

The square root of 5566777879 is about 74610.8429050363. The cubic root of 5566777879 is about 1772.2893630309.

The spelling of 5566777879 in words is "five billion, five hundred sixty-six million, seven hundred seventy-seven thousand, eight hundred seventy-nine".