89844107189 has 4 divisors (see below), whose sum is σ = 90024156000. Its totient is φ = 89664058380.

The previous prime is 89844107159. The next prime is 89844107201. The reversal of 89844107189 is 98170144898.

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 a de Polignac number, because none of the positive numbers 2^k-89844107189 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 (89844107159) 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, 90023657 + ... + 90024654.

It is an arithmetic number, because the mean of its divisors is an integer number (22506039000).

Almost surely, 2^89844107189 is an apocalyptic number.

It is an amenable number.

89844107189 is a deficient number, since it is larger than the sum of its proper divisors (180048811).

89844107189 is a wasteful number, since it uses less digits than its factorization.

89844107189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180048810.

The product of its (nonzero) digits is 4644864, while the sum is 59.

The spelling of 89844107189 in words is "eighty-nine billion, eight hundred forty-four million, one hundred seven thousand, one hundred eighty-nine".