8885808921 has 16 divisors (see below), whose sum is σ = 12966928128. Its totient is φ = 5367790800.

The previous prime is 8885808859. The next prime is 8885808941. The reversal of 8885808921 is 1298085888.

It is not a de Polignac number, because 8885808921 - 2¹¹ = 8885806873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8885808941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428415 + ... + 448676.

It is an arithmetic number, because the mean of its divisors is an integer number (810433008).

Almost surely, 2^8885808921 is an apocalyptic number.

It is an amenable number.

8885808921 is a deficient number, since it is larger than the sum of its proper divisors (4081119207).

8885808921 is a wasteful number, since it uses less digits than its factorization.

8885808921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877412.

The product of its (nonzero) digits is 2949120, while the sum is 57.

The square root of 8885808921 is about 94264.5687466929. The cubic root of 8885808921 is about 2071.2490552551.

The spelling of 8885808921 in words is "eight billion, eight hundred eighty-five million, eight hundred eight thousand, nine hundred twenty-one".