8921204888 has 16 divisors (see below), whose sum is σ = 16812172080. Its totient is φ = 4437959008.

The previous prime is 8921204867. The next prime is 8921204891. The reversal of 8921204888 is 8884021298.

It is a happy number.

It is a congruent 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, 2828756 + ... + 2831907.

It is an arithmetic number, because the mean of its divisors is an integer number (1050760755).

Almost surely, 2^8921204888 is an apocalyptic number.

It is an amenable number.

8921204888 is a deficient number, since it is larger than the sum of its proper divisors (7890967192).

8921204888 is a wasteful number, since it uses less digits than its factorization.

8921204888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660866 (or 5660862 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 50.

The square root of 8921204888 is about 94452.1301400874. The cubic root of 8921204888 is about 2073.9956343576.

The spelling of 8921204888 in words is "eight billion, nine hundred twenty-one million, two hundred four thousand, eight hundred eighty-eight".