8616143872 has 44 divisors (see below), whose sum is σ = 19684443280. Its totient is φ = 3692630016.

The previous prime is 8616143849. The next prime is 8616143951. The reversal of 8616143872 is 2783416168.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593847 + ... + 608182.

Almost surely, 2^8616143872 is an apocalyptic number.

It is an amenable number.

8616143872 is an abundant number, since it is smaller than the sum of its proper divisors (11068299408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8616143872 is a wasteful number, since it uses less digits than its factorization.

8616143872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202056 (or 1202038 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 8616143872 is about 92823.1860689989. The cubic root of 8616143872 is about 2050.0808115675.

The spelling of 8616143872 in words is "eight billion, six hundred sixteen million, one hundred forty-three thousand, eight hundred seventy-two".