8643200871 has 32 divisors (see below), whose sum is σ = 12224692480. Its totient is φ = 5416761600.

The previous prime is 8643200869. The next prime is 8643200887. The reversal of 8643200871 is 1780023468.

8643200871 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8643200871 - 2¹ = 8643200869 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 (8643200801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8366571 + ... + 8367603.

It is an arithmetic number, because the mean of its divisors is an integer number (382021640).

Almost surely, 2^8643200871 is an apocalyptic number.

8643200871 is a deficient number, since it is larger than the sum of its proper divisors (3581491609).

8643200871 is a wasteful number, since it uses less digits than its factorization.

8643200871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 8643200871 is about 92968.8166591358. The cubic root of 8643200871 is about 2052.2245034492.

The spelling of 8643200871 in words is "eight billion, six hundred forty-three million, two hundred thousand, eight hundred seventy-one".