85285263 has 8 divisors (see below), whose sum is σ = 129958528. Its totient is φ = 48734424.

The previous prime is 85285241. The next prime is 85285273. The reversal of 85285263 is 36258258.

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

It is not a de Polignac number, because 85285263 - 2⁸ = 85285007 is a prime.

It is a super-3 number, since 3×85285263³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85285273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030581 + ... + 2030622.

It is an arithmetic number, because the mean of its divisors is an integer number (16244816).

Almost surely, 2^85285263 is an apocalyptic number.

85285263 is a deficient number, since it is larger than the sum of its proper divisors (44673265).

85285263 is a wasteful number, since it uses less digits than its factorization.

85285263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061213.

The product of its digits is 115200, while the sum is 39.

The square root of 85285263 is about 9235.0020573901. The cubic root of 85285263 is about 440.1742818540.

The spelling of 85285263 in words is "eighty-five million, two hundred eighty-five thousand, two hundred sixty-three".