9936228887 has 4 divisors (see below), whose sum is σ = 10700554200. Its totient is φ = 9171903576.

The previous prime is 9936228857. The next prime is 9936228917. The reversal of 9936228887 is 7888226399.

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

It is an interprime number because it is at equal distance from previous prime (9936228857) and next prime (9936228917).

It is a cyclic number.

It is not a de Polignac number, because 9936228887 - 2¹⁶ = 9936163351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9936228857) 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, 382162637 + ... + 382162662.

It is an arithmetic number, because the mean of its divisors is an integer number (2675138550).

Almost surely, 2^9936228887 is an apocalyptic number.

9936228887 is a deficient number, since it is larger than the sum of its proper divisors (764325313).

9936228887 is a wasteful number, since it uses less digits than its factorization.

9936228887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764325312.

The product of its digits is 20901888, while the sum is 62.

The square root of 9936228887 is about 99680.6344632697. The cubic root of 9936228887 is about 2149.8452303950.

The spelling of 9936228887 in words is "nine billion, nine hundred thirty-six million, two hundred twenty-eight thousand, eight hundred eighty-seven".