85663471180 has 96 divisors (see below), whose sum is σ = 214326669312. Its totient is φ = 28141344000.

The previous prime is 85663471163. The next prime is 85663471183. The reversal of 85663471180 is 8117436658.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85663471183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340627 + ... + 536053.

It is an arithmetic number, because the mean of its divisors is an integer number (2232569472).

Almost surely, 2^85663471180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85663471180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107163334656).

85663471180 is an abundant number, since it is smaller than the sum of its proper divisors (128663198132).

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

85663471180 is a wasteful number, since it uses less digits than its factorization.

85663471180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195575 (or 195573 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 85663471180 in words is "eighty-five billion, six hundred sixty-three million, four hundred seventy-one thousand, one hundred eighty".