89317566231 has 4 divisors (see below), whose sum is σ = 119090088312. Its totient is φ = 59545044152.

The previous prime is 89317566199. The next prime is 89317566293. The reversal of 89317566231 is 13266571398.

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 89317566231 - 2⁵ = 89317566199 is a prime.

It is a super-2 number, since 2×89317566231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89317566031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14886261036 + ... + 14886261041.

It is an arithmetic number, because the mean of its divisors is an integer number (29772522078).

Almost surely, 2^89317566231 is an apocalyptic number.

89317566231 is a deficient number, since it is larger than the sum of its proper divisors (29772522081).

89317566231 is a wasteful number, since it uses less digits than its factorization.

89317566231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29772522080.

The product of its digits is 1632960, while the sum is 51.

The spelling of 89317566231 in words is "eighty-nine billion, three hundred seventeen million, five hundred sixty-six thousand, two hundred thirty-one".