85107320 has 32 divisors (see below), whose sum is σ = 195948720. Its totient is φ = 33250560.

The previous prime is 85107301. The next prime is 85107329. The reversal of 85107320 is 2370158.

It is a self number, because there is not a number n which added to its sum of digits gives 85107320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85107329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23021 + ... + 26460.

Almost surely, 2^85107320 is an apocalyptic number.

It is an amenable number.

85107320 is an abundant number, since it is smaller than the sum of its proper divisors (110841400).

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

85107320 is a wasteful number, since it uses less digits than its factorization.

85107320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49535 (or 49531 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 85107320 is about 9225.3628654921. The cubic root of 85107320 is about 439.8679355719.

Adding to 85107320 its reverse (2370158), we get a palindrome (87477478).

The spelling of 85107320 in words is "eighty-five million, one hundred seven thousand, three hundred twenty".