85968289 has 8 divisors (see below), whose sum is σ = 94092768. Its totient is φ = 77895360.

The previous prime is 85968283. The next prime is 85968317. The reversal of 85968289 is 98286958.

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 85968289 - 2⁵ = 85968257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85968283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9352 + ... + 16105.

It is an arithmetic number, because the mean of its divisors is an integer number (11761596).

Almost surely, 2^85968289 is an apocalyptic number.

It is an amenable number.

85968289 is a deficient number, since it is larger than the sum of its proper divisors (8124479).

85968289 is a wasteful number, since it uses less digits than its factorization.

85968289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25775.

The product of its digits is 2488320, while the sum is 55.

The square root of 85968289 is about 9271.9085953217. The cubic root of 85968289 is about 441.3462366632.

The spelling of 85968289 in words is "eighty-five million, nine hundred sixty-eight thousand, two hundred eighty-nine".