8895005989 has 4 divisors (see below), whose sum is σ = 8905361920. Its totient is φ = 8884650060.

The previous prime is 8895005941. The next prime is 8895006013. The reversal of 8895005989 is 9895005988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8895005989 - 2¹⁵ = 8894973221 is a prime.

It is a super-2 number, since 2×8895005989² (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 (8895005939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5176677 + ... + 5178394.

It is an arithmetic number, because the mean of its divisors is an integer number (2226340480).

Almost surely, 2^8895005989 is an apocalyptic number.

It is an amenable number.

8895005989 is a deficient number, since it is larger than the sum of its proper divisors (10355931).

8895005989 is a wasteful number, since it uses less digits than its factorization.

8895005989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10355930.

The product of its (nonzero) digits is 9331200, while the sum is 61.

The square root of 8895005989 is about 94313.3394011685. The cubic root of 8895005989 is about 2071.9634096495.

Subtracting 8895005989 from its reverse (9895005988), we obtain a palindrome (999999999).

The spelling of 8895005989 in words is "eight billion, eight hundred ninety-five million, five thousand, nine hundred eighty-nine".