85968089 has 4 divisors (see below), whose sum is σ = 89705856. Its totient is φ = 82230324.

The previous prime is 85968079. The next prime is 85968097. The reversal of 85968089 is 98086958.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85968089 - 2⁴ = 85968073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85968089.

It is not an unprimeable number, because it can be changed into a prime (85968049) 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, 1868849 + ... + 1868894.

It is an arithmetic number, because the mean of its divisors is an integer number (22426464).

Almost surely, 2^85968089 is an apocalyptic number.

It is an amenable number.

85968089 is a deficient number, since it is larger than the sum of its proper divisors (3737767).

85968089 is a wasteful number, since it uses less digits than its factorization.

85968089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737766.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 85968089 is about 9271.8978100495. The cubic root of 85968089 is about 441.3458944079.

The spelling of 85968089 in words is "eighty-five million, nine hundred sixty-eight thousand, eighty-nine".