85866375 has 48 divisors (see below), whose sum is σ = 166244832. Its totient is φ = 39244800.

The previous prime is 85866367. The next prime is 85866401. The reversal of 85866375 is 57366858.

It is not a de Polignac number, because 85866375 - 2³ = 85866367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16039 + ... + 20711.

It is an arithmetic number, because the mean of its divisors is an integer number (3463434).

Almost surely, 2^85866375 is an apocalyptic number.

85866375 is a deficient number, since it is larger than the sum of its proper divisors (80378457).

85866375 is a wasteful number, since it uses less digits than its factorization.

85866375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705 (or 4688 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 85866375 is about 9266.4111175794. The cubic root of 85866375 is about 441.1717647864.

The spelling of 85866375 in words is "eighty-five million, eight hundred sixty-six thousand, three hundred seventy-five".