6885443811 has 16 divisors (see below), whose sum is σ = 9344544768. Its totient is φ = 4509036000.

The previous prime is 6885443809. The next prime is 6885443833. The reversal of 6885443811 is 1183445886.

It is not a de Polignac number, because 6885443811 - 2¹ = 6885443809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6885443011) 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, 50985 + ... + 127946.

It is an arithmetic number, because the mean of its divisors is an integer number (584034048).

Almost surely, 2^6885443811 is an apocalyptic number.

6885443811 is a deficient number, since it is larger than the sum of its proper divisors (2459100957).

6885443811 is a wasteful number, since it uses less digits than its factorization.

6885443811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179162.

The product of its digits is 737280, while the sum is 48.

The square root of 6885443811 is about 82978.5744093016. The cubic root of 6885443811 is about 1902.4385872819.

The spelling of 6885443811 in words is "six billion, eight hundred eighty-five million, four hundred forty-three thousand, eight hundred eleven".