5566668887 has 64 divisors (see below), whose sum is σ = 6889559040. Its totient is φ = 4441651200.

The previous prime is 5566668869. The next prime is 5566668889. The reversal of 5566668887 is 7888666655.

It is not a de Polignac number, because 5566668887 - 2¹⁴ = 5566652503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566668889) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26382212 + ... + 26382422.

It is an arithmetic number, because the mean of its divisors is an integer number (107649360).

Almost surely, 2^5566668887 is an apocalyptic number.

5566668887 is a deficient number, since it is larger than the sum of its proper divisors (1322890153).

5566668887 is a wasteful number, since it uses less digits than its factorization.

5566668887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424.

The product of its digits is 116121600, while the sum is 65.

The square root of 5566668887 is about 74610.1124982398. The cubic root of 5566668887 is about 1772.2777963984.

The spelling of 5566668887 in words is "five billion, five hundred sixty-six million, six hundred sixty-eight thousand, eight hundred eighty-seven".