5668916887 has 4 divisors (see below), whose sum is σ = 5669875120. Its totient is φ = 5667958656.

The previous prime is 5668916873. The next prime is 5668916899. The reversal of 5668916887 is 7886198665.

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 5668916887 - 2¹⁵ = 5668884119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5668916807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470187 + ... + 482092.

It is an arithmetic number, because the mean of its divisors is an integer number (1417468780).

Almost surely, 2^5668916887 is an apocalyptic number.

5668916887 is a deficient number, since it is larger than the sum of its proper divisors (958233).

5668916887 is an equidigital number, since it uses as much as digits as its factorization.

5668916887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958232.

The product of its digits is 34836480, while the sum is 64.

The square root of 5668916887 is about 75292.2100020978. The cubic root of 5668916887 is about 1783.0630346981.

The spelling of 5668916887 in words is "five billion, six hundred sixty-eight million, nine hundred sixteen thousand, eight hundred eighty-seven".