8888228887 has 4 divisors (see below), whose sum is σ = 8888499576. Its totient is φ = 8887958200.

The previous prime is 8888228851. The next prime is 8888228929. The reversal of 8888228887 is 7888228888.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8888228887 is a prime.

It is a super-2 number, since 2×8888228887² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8888228087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77989 + ... + 154462.

It is an arithmetic number, because the mean of its divisors is an integer number (2222124894).

Almost surely, 2^8888228887 is an apocalyptic number.

8888228887 is a deficient number, since it is larger than the sum of its proper divisors (270689).

8888228887 is a wasteful number, since it uses less digits than its factorization.

8888228887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270688.

The product of its digits is 58720256, while the sum is 67.

The square root of 8888228887 is about 94277.4039046473. The cubic root of 8888228887 is about 2071.4370665505.

Subtracting from 8888228887 its reverse (7888228888), we obtain a palindrome (999999999).

The spelling of 8888228887 in words is "eight billion, eight hundred eighty-eight million, two hundred twenty-eight thousand, eight hundred eighty-seven".