89767489 has 4 divisors (see below), whose sum is σ = 102591424. Its totient is φ = 76943556.

The previous prime is 89767453. The next prime is 89767511. The reversal of 89767489 is 98476798.

It is a happy number.

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 89767489 - 2²⁵ = 56213057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89767189) 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, 6411957 + ... + 6411970.

It is an arithmetic number, because the mean of its divisors is an integer number (25647856).

Almost surely, 2^89767489 is an apocalyptic number.

It is an amenable number.

89767489 is a deficient number, since it is larger than the sum of its proper divisors (12823935).

89767489 is a wasteful number, since it uses less digits than its factorization.

89767489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12823934.

The product of its digits is 6096384, while the sum is 58.

The square root of 89767489 is about 9474.5706499028. The cubic root of 89767489 is about 447.7542248451.

It can be divided in two parts, 897 and 67489, that added together give a palindrome (68386).

The spelling of 89767489 in words is "eighty-nine million, seven hundred sixty-seven thousand, four hundred eighty-nine".