85285816 has 32 divisors (see below), whose sum is σ = 199370880. Its totient is φ = 33228000.

The previous prime is 85285801. The next prime is 85285819. The reversal of 85285816 is 61858258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85285819) 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, 68610 + ... + 69841.

It is an arithmetic number, because the mean of its divisors is an integer number (6230340).

Almost surely, 2^85285816 is an apocalyptic number.

It is an amenable number.

85285816 is an abundant number, since it is smaller than the sum of its proper divisors (114085064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85285816 is a wasteful number, since it uses less digits than its factorization.

85285816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138475 (or 138471 counting only the distinct ones).

The product of its digits is 153600, while the sum is 43.

The square root of 85285816 is about 9235.0319977789. The cubic root of 85285816 is about 440.1752332331.

It can be divided in two parts, 852 and 85816, that added together give a palindrome (86668).

The spelling of 85285816 in words is "eighty-five million, two hundred eighty-five thousand, eight hundred sixteen".