5556666679 has 8 divisors (see below), whose sum is σ = 5850714240. Its totient is φ = 5262778296.

The previous prime is 5556666677. The next prime is 5556666683. The reversal of 5556666679 is 9766666555.

5556666679 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5556666679 - 2¹ = 5556666677 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556666671) 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, 35544 + ... + 111250.

It is an arithmetic number, because the mean of its divisors is an integer number (731339280).

Almost surely, 2^5556666679 is an apocalyptic number.

5556666679 is a deficient number, since it is larger than the sum of its proper divisors (294047561).

5556666679 is a wasteful number, since it uses less digits than its factorization.

5556666679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79589.

The product of its digits is 61236000, while the sum is 61.

The square root of 5556666679 is about 74543.0525200035. The cubic root of 5556666679 is about 1771.2156819185.

The spelling of 5556666679 in words is "five billion, five hundred fifty-six million, six hundred sixty-six thousand, six hundred seventy-nine".