8446853871 has 12 divisors (see below), whose sum is σ = 12368149248. Its totient is φ = 5554095264.

The previous prime is 8446853851. The next prime is 8446853897. The reversal of 8446853871 is 1783586448.

8446853871 is a `hidden beast` number, since 8 + 44 + 68 + 538 + 7 + 1 = 666.

It is not a de Polignac number, because 8446853871 - 2³¹ = 6299370223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8446853851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6427695 + ... + 6429008.

It is an arithmetic number, because the mean of its divisors is an integer number (1030679104).

Almost surely, 2^8446853871 is an apocalyptic number.

8446853871 is a deficient number, since it is larger than the sum of its proper divisors (3921295377).

8446853871 is a wasteful number, since it uses less digits than its factorization.

8446853871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12856782 (or 12856779 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The square root of 8446853871 is about 91906.7672753209. The cubic root of 8446853871 is about 2036.5652401610.

The spelling of 8446853871 in words is "eight billion, four hundred forty-six million, eight hundred fifty-three thousand, eight hundred seventy-one".