85865073 has 8 divisors (see below), whose sum is σ = 130842048. Its totient is φ = 49065744.

The previous prime is 85864997. The next prime is 85865083. The reversal of 85865073 is 37056858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85865073 - 2¹⁸ = 85602929 is a prime.

It is a super-2 number, since 2×85865073² = 14745621522590658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85865083) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2044386 + ... + 2044427.

It is an arithmetic number, because the mean of its divisors is an integer number (16355256).

Almost surely, 2^85865073 is an apocalyptic number.

It is an amenable number.

85865073 is a deficient number, since it is larger than the sum of its proper divisors (44976975).

85865073 is a wasteful number, since it uses less digits than its factorization.

85865073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088823.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 85865073 is about 9266.3408635772. The cubic root of 85865073 is about 441.1695349320.

The spelling of 85865073 in words is "eighty-five million, eight hundred sixty-five thousand, seventy-three".