85235775 has 12 divisors (see below), whose sum is σ = 140923272. Its totient is φ = 45459040.

The previous prime is 85235747. The next prime is 85235779. The reversal of 85235775 is 57753258.

It is not a de Polignac number, because 85235775 - 2⁸ = 85235519 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85235779) 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 11 ways as a sum of consecutive naturals, for example, 568164 + ... + 568313.

It is an arithmetic number, because the mean of its divisors is an integer number (11743606).

Almost surely, 2^85235775 is an apocalyptic number.

85235775 is a deficient number, since it is larger than the sum of its proper divisors (55687497).

85235775 is a wasteful number, since it uses less digits than its factorization.

85235775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136490 (or 1136485 counting only the distinct ones).

The product of its digits is 294000, while the sum is 42.

The square root of 85235775 is about 9232.3222972338. The cubic root of 85235775 is about 440.0891262292.

The spelling of 85235775 in words is "eighty-five million, two hundred thirty-five thousand, seven hundred seventy-five".