8343889811 has 4 divisors (see below), whose sum is σ = 8346459624. Its totient is φ = 8341320000.

The previous prime is 8343889789. The next prime is 8343889849. The reversal of 8343889811 is 1189883438.

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 8343889811 - 2⁶ = 8343889747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8343889111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280030 + ... + 1286531.

It is an arithmetic number, because the mean of its divisors is an integer number (2086614906).

Almost surely, 2^8343889811 is an apocalyptic number.

8343889811 is a deficient number, since it is larger than the sum of its proper divisors (2569813).

8343889811 is a wasteful number, since it uses less digits than its factorization.

8343889811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569812.

The product of its digits is 1327104, while the sum is 53.

The square root of 8343889811 is about 91344.8948272425. The cubic root of 8343889811 is about 2028.2563923479.

The spelling of 8343889811 in words is "eight billion, three hundred forty-three million, eight hundred eighty-nine thousand, eight hundred eleven".