85231735 has 4 divisors (see below), whose sum is σ = 102278088. Its totient is φ = 68185384.

The previous prime is 85231711. The next prime is 85231747. The reversal of 85231735 is 53713258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53713258 = 2 ⋅26856629.

It is a cyclic number.

It is not a de Polignac number, because 85231735 - 2⁷ = 85231607 is a prime.

It is a super-2 number, since 2×85231735² = 14528897302220450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85231735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8523169 + ... + 8523178.

It is an arithmetic number, because the mean of its divisors is an integer number (25569522).

Almost surely, 2^85231735 is an apocalyptic number.

85231735 is a deficient number, since it is larger than the sum of its proper divisors (17046353).

85231735 is a wasteful number, since it uses less digits than its factorization.

85231735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17046352.

The product of its digits is 25200, while the sum is 34.

The square root of 85231735 is about 9232.1034981200. The cubic root of 85231735 is about 440.0821730136.

The spelling of 85231735 in words is "eighty-five million, two hundred thirty-one thousand, seven hundred thirty-five".