85194664 has 16 divisors (see below), whose sum is σ = 159887700. Its totient is φ = 42557952.

The previous prime is 85194661. The next prime is 85194677. The reversal of 85194664 is 46649158.

It can be written as a sum of positive squares in 2 ways, for example, as 85192900 + 1764 = 9230^2 + 42^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85194664.

It is not an unprimeable number, because it can be changed into a prime (85194661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5592 + ... + 14200.

Almost surely, 2^85194664 is an apocalyptic number.

It is an amenable number.

85194664 is a deficient number, since it is larger than the sum of its proper divisors (74693036).

85194664 is a wasteful number, since it uses less digits than its factorization.

85194664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9852 (or 9848 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 85194664 is about 9230.0955574685. The cubic root of 85194664 is about 440.0183601154.

It can be divided in two parts, 85194 and 664, that added together give a palindrome (85858).

The spelling of 85194664 in words is "eighty-five million, one hundred ninety-four thousand, six hundred sixty-four".