89317289221 has 8 divisors (see below), whose sum is σ = 94024839200. Its totient is φ = 84610403280.

The previous prime is 89317289207. The next prime is 89317289231. The reversal of 89317289221 is 12298271398.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89317289221 - 2⁷ = 89317289093 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 (89317289231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123010 + ... + 440188.

It is an arithmetic number, because the mean of its divisors is an integer number (11753104900).

Almost surely, 2^89317289221 is an apocalyptic number.

It is an amenable number.

89317289221 is a deficient number, since it is larger than the sum of its proper divisors (4707549979).

89317289221 is a wasteful number, since it uses less digits than its factorization.

89317289221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332019.

The product of its digits is 870912, while the sum is 52.

The spelling of 89317289221 in words is "eighty-nine billion, three hundred seventeen million, two hundred eighty-nine thousand, two hundred twenty-one".