89365679 has 6 divisors (see below), whose sum is σ = 96768936. Its totient is φ = 82491240.

The previous prime is 89365667. The next prime is 89365681. The reversal of 89365679 is 97656398.

It is not a de Polignac number, because 89365679 - 2¹² = 89361583 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 89365679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89365699) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264227 + ... + 264564.

It is an arithmetic number, because the mean of its divisors is an integer number (16128156).

Almost surely, 2^89365679 is an apocalyptic number.

89365679 is a deficient number, since it is larger than the sum of its proper divisors (7403257).

89365679 is a wasteful number, since it uses less digits than its factorization.

89365679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528817 (or 528804 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 53.

The square root of 89365679 is about 9453.3422132069. The cubic root of 89365679 is about 447.0851584505.

The spelling of 89365679 in words is "eighty-nine million, three hundred sixty-five thousand, six hundred seventy-nine".