89473615 has 32 divisors (see below), whose sum is σ = 134475264. Its totient is φ = 55520640.

The previous prime is 89473607. The next prime is 89473627. The reversal of 89473615 is 51637498.

It is not a de Polignac number, because 89473615 - 2³ = 89473607 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 117817 + ... + 118573.

It is an arithmetic number, because the mean of its divisors is an integer number (4202352).

Almost surely, 2^89473615 is an apocalyptic number.

89473615 is a deficient number, since it is larger than the sum of its proper divisors (45001649).

89473615 is a wasteful number, since it uses less digits than its factorization.

89473615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087.

The product of its digits is 181440, while the sum is 43.

The square root of 89473615 is about 9459.0493708406. The cubic root of 89473615 is about 447.2650827387.

The spelling of 89473615 in words is "eighty-nine million, four hundred seventy-three thousand, six hundred fifteen".