85360520 has 64 divisors (see below), whose sum is σ = 222203520. Its totient is φ = 28905984.

The previous prime is 85360501. The next prime is 85360549. The reversal of 85360520 is 2506358.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21404 + ... + 25076.

It is an arithmetic number, because the mean of its divisors is an integer number (3471930).

Almost surely, 2^85360520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85360520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111101760).

85360520 is an abundant number, since it is smaller than the sum of its proper divisors (136843000).

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

85360520 is a wasteful number, since it uses less digits than its factorization.

85360520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774 (or 3770 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 85360520 is about 9239.0757113469. The cubic root of 85360520 is about 440.3037159276.

Adding to 85360520 its reverse (2506358), we get a palindrome (87866878).

The spelling of 85360520 in words is "eighty-five million, three hundred sixty thousand, five hundred twenty".