89679585 has 8 divisors (see below), whose sum is σ = 143487360. Its totient is φ = 47829104.

The previous prime is 89679529. The next prime is 89679637. The reversal of 89679585 is 58597698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89679585 - 2¹² = 89675489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2989305 + ... + 2989334.

It is an arithmetic number, because the mean of its divisors is an integer number (17935920).

Almost surely, 2^89679585 is an apocalyptic number.

It is an amenable number.

89679585 is a deficient number, since it is larger than the sum of its proper divisors (53807775).

89679585 is a wasteful number, since it uses less digits than its factorization.

89679585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978647.

The product of its digits is 5443200, while the sum is 57.

The square root of 89679585 is about 9469.9305699672. The cubic root of 89679585 is about 447.6080240240.

Subtracting from 89679585 its sum of digits (57), we obtain a triangular number (89679528 = T₁₃₃₉₂).

The spelling of 89679585 in words is "eighty-nine million, six hundred seventy-nine thousand, five hundred eighty-five".