8867884221 has 72 divisors (see below), whose sum is σ = 15154339200. Its totient is φ = 4981616640.

The previous prime is 8867884217. The next prime is 8867884229. The reversal of 8867884221 is 1224887688.

8867884221 is a `hidden beast` number, since 88 + 67 + 88 + 422 + 1 = 666.

It is not a de Polignac number, because 8867884221 - 2² = 8867884217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8867884229) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11531325 + ... + 11532093.

Almost surely, 2^8867884221 is an apocalyptic number.

It is an amenable number.

8867884221 is a deficient number, since it is larger than the sum of its proper divisors (6286454979).

8867884221 is a wasteful number, since it uses less digits than its factorization.

8867884221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1189 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 54.

The square root of 8867884221 is about 94169.4442003350. Note that the first 3 decimals coincide. The cubic root of 8867884221 is about 2069.8553907241.

The spelling of 8867884221 in words is "eight billion, eight hundred sixty-seven million, eight hundred eighty-four thousand, two hundred twenty-one".