85635122200 has 24 divisors (see below), whose sum is σ = 199101659580. Its totient is φ = 34254048800.

The previous prime is 85635122189. The next prime is 85635122201. The reversal of 85635122200 is 222153658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85635122201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214087606 + ... + 214088005.

Almost surely, 2^85635122200 is an apocalyptic number.

It is an amenable number.

85635122200 is an abundant number, since it is smaller than the sum of its proper divisors (113466537380).

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

85635122200 is a wasteful number, since it uses less digits than its factorization.

85635122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428175627 (or 428175618 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 85635122200 its reverse (222153658), we get a palindrome (85857275858).

The spelling of 85635122200 in words is "eighty-five billion, six hundred thirty-five million, one hundred twenty-two thousand, two hundred".