89565017 has 4 divisors (see below), whose sum is σ = 89591460. Its totient is φ = 89538576.

The previous prime is 89564971. The next prime is 89565029. The reversal of 89565017 is 71056598.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71056598 = 2 ⋅35528299.

It can be written as a sum of positive squares in 2 ways, for example, as 24019801 + 65545216 = 4901^2 + 8096^2 .

It is a cyclic number.

It is not a de Polignac number, because 89565017 - 2⁶ = 89564953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89565037) 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, 7238 + ... + 15215.

It is an arithmetic number, because the mean of its divisors is an integer number (22397865).

Almost surely, 2^89565017 is an apocalyptic number.

It is an amenable number.

89565017 is a deficient number, since it is larger than the sum of its proper divisors (26443).

89565017 is a wasteful number, since it uses less digits than its factorization.

89565017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26442.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 89565017 is about 9463.8795955993. The cubic root of 89565017 is about 447.4173325028.

The spelling of 89565017 in words is "eighty-nine million, five hundred sixty-five thousand, seventeen".