85436230180 has 24 divisors (see below), whose sum is σ = 205046952768. Its totient is φ = 29292421728.

The previous prime is 85436230177. The next prime is 85436230181. The reversal of 85436230180 is 8103263458.

It is not an unprimeable number, because it can be changed into a prime (85436230181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305129254 + ... + 305129533.

It is an arithmetic number, because the mean of its divisors is an integer number (8543623032).

Almost surely, 2^85436230180 is an apocalyptic number.

It is an amenable number.

85436230180 is an abundant number, since it is smaller than the sum of its proper divisors (119610722588).

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

85436230180 is a wasteful number, since it uses less digits than its factorization.

85436230180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610258803 (or 610258801 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 85436230180 in words is "eighty-five billion, four hundred thirty-six million, two hundred thirty thousand, one hundred eighty".