89317566289 has 4 divisors (see below), whose sum is σ = 102077218624. Its totient is φ = 76557913956.

The previous prime is 89317566199. The next prime is 89317566293. The reversal of 89317566289 is 98266571398.

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 89317566289 - 2⁷ = 89317566161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89317566289.

It is not an unprimeable number, because it can be changed into a prime (89317566889) 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, 6379826157 + ... + 6379826170.

It is an arithmetic number, because the mean of its divisors is an integer number (25519304656).

Almost surely, 2^89317566289 is an apocalyptic number.

It is an amenable number.

89317566289 is a deficient number, since it is larger than the sum of its proper divisors (12759652335).

89317566289 is a wasteful number, since it uses less digits than its factorization.

89317566289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12759652334.

The product of its digits is 39191040, while the sum is 64.

The spelling of 89317566289 in words is "eighty-nine billion, three hundred seventeen million, five hundred sixty-six thousand, two hundred eighty-nine".