8927643321 has 12 divisors (see below), whose sum is σ = 12923342848. Its totient is φ = 5938904664.

The previous prime is 8927643293. The next prime is 8927643337. The reversal of 8927643321 is 1233467298.

8927643321 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 8927643321 - 2⁵ = 8927643289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8927644321) 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, 1067065 + ... + 1075398.

Almost surely, 2^8927643321 is an apocalyptic number.

It is an amenable number.

8927643321 is a deficient number, since it is larger than the sum of its proper divisors (3995699527).

8927643321 is a wasteful number, since it uses less digits than its factorization.

8927643321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142932 (or 2142929 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 8927643321 is about 94486.2070410280. The cubic root of 8927643321 is about 2074.4944485512.

The spelling of 8927643321 in words is "eight billion, nine hundred twenty-seven million, six hundred forty-three thousand, three hundred twenty-one".