6886666043 has 4 divisors (see below), whose sum is σ = 6981004008. Its totient is φ = 6792328080.

The previous prime is 6886666037. The next prime is 6886666063. The reversal of 6886666043 is 3406666886.

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 6886666043 - 2⁶ = 6886665979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6886666063) 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, 47168873 + ... + 47169018.

It is an arithmetic number, because the mean of its divisors is an integer number (1745251002).

Almost surely, 2^6886666043 is an apocalyptic number.

6886666043 is a deficient number, since it is larger than the sum of its proper divisors (94337965).

6886666043 is an equidigital number, since it uses as much as digits as its factorization.

6886666043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94337964.

The product of its (nonzero) digits is 5971968, while the sum is 53.

The square root of 6886666043 is about 82985.9388270085. The cubic root of 6886666043 is about 1902.5511476249.

The spelling of 6886666043 in words is "six billion, eight hundred eighty-six million, six hundred sixty-six thousand, forty-three".