89711 has 4 divisors (see below), whose sum is σ = 90312. Its totient is φ = 89112.

The previous prime is 89689. The next prime is 89753. The reversal of 89711 is 11798.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 89711 - 2¹⁴ = 73327 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89611) 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, 125 + ... + 441.

It is an arithmetic number, because the mean of its divisors is an integer number (22578).

2⁸⁹⁷¹¹ is an apocalyptic number.

89711 is a deficient number, since it is larger than the sum of its proper divisors (601).

89711 is a wasteful number, since it uses less digits than its factorization.

89711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its digits is 504, while the sum is 26.

The square root of 89711 is about 299.5179460400. The cubic root of 89711 is about 44.7660284021.

The spelling of 89711 in words is "eighty-nine thousand, seven hundred eleven".