85009320 has 96 divisors (see below), whose sum is σ = 301410720. Its totient is φ = 20607360.

The previous prime is 85009319. The next prime is 85009339. The reversal of 85009320 is 2390058.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6774 + ... + 14693.

It is an arithmetic number, because the mean of its divisors is an integer number (3139695).

Almost surely, 2^85009320 is an apocalyptic number.

It is an amenable number.

85009320 is an abundant number, since it is smaller than the sum of its proper divisors (216401400).

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

85009320 is a wasteful number, since it uses less digits than its factorization.

85009320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21495 (or 21488 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 85009320 is about 9220.0498914051. The cubic root of 85009320 is about 439.6990366099.

Adding to 85009320 its reverse (2390058), we get a palindrome (87399378).

The spelling of 85009320 in words is "eighty-five million, nine thousand, three hundred twenty".