889112447 has 4 divisors (see below), whose sum is σ = 889394616. Its totient is φ = 888830280.

The previous prime is 889112437. The next prime is 889112453. The reversal of 889112447 is 744211988.

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

It is a cyclic number.

It is not a de Polignac number, because 889112447 - 2¹⁰ = 889111423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 889112398 and 889112407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889112437) 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, 136304 + ... + 142677.

It is an arithmetic number, because the mean of its divisors is an integer number (222348654).

Almost surely, 2^889112447 is an apocalyptic number.

889112447 is a deficient number, since it is larger than the sum of its proper divisors (282169).

889112447 is a wasteful number, since it uses less digits than its factorization.

889112447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282168.

The product of its digits is 129024, while the sum is 44.

The square root of 889112447 is about 29817.9886477945. The cubic root of 889112447 is about 961.5803134290.

The spelling of 889112447 in words is "eight hundred eighty-nine million, one hundred twelve thousand, four hundred forty-seven".