89136485 has 8 divisors (see below), whose sum is σ = 107020440. Its totient is φ = 71271424.

The previous prime is 89136449. The next prime is 89136493. The reversal of 89136485 is 58463198.

It can be written as a sum of positive squares in 4 ways, for example, as 889249 + 88247236 = 943^2 + 9394^2 .

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 89136485 - 2¹⁰ = 89135461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9629 + ... + 16461.

It is an arithmetic number, because the mean of its divisors is an integer number (13377555).

Almost surely, 2^89136485 is an apocalyptic number.

It is an amenable number.

89136485 is a deficient number, since it is larger than the sum of its proper divisors (17883955).

89136485 is a wasteful number, since it uses less digits than its factorization.

89136485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447.

The product of its digits is 207360, while the sum is 44.

The square root of 89136485 is about 9441.2120514264. The cubic root of 89136485 is about 446.7026217313.

The spelling of 89136485 in words is "eighty-nine million, one hundred thirty-six thousand, four hundred eighty-five".