9887227888 has 20 divisors (see below), whose sum is σ = 19168840080. Its totient is φ = 4940430464.

The previous prime is 9887227877. The next prime is 9887227907. The reversal of 9887227888 is 8887227889.

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, 173245 + ... + 223132.

It is an arithmetic number, because the mean of its divisors is an integer number (958442004).

Almost surely, 2^9887227888 is an apocalyptic number.

It is an amenable number.

9887227888 is a deficient number, since it is larger than the sum of its proper divisors (9281612192).

9887227888 is a wasteful number, since it uses less digits than its factorization.

9887227888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397944 (or 397938 counting only the distinct ones).

The product of its digits is 57802752, while the sum is 67.

The square root of 9887227888 is about 99434.5407190077. The cubic root of 9887227888 is about 2146.3053827050.

Subtracting from 9887227888 its reverse (8887227889), we obtain a palindrome (999999999).

The spelling of 9887227888 in words is "nine billion, eight hundred eighty-seven million, two hundred twenty-seven thousand, eight hundred eighty-eight".