85814500860 has 72 divisors (see below), whose sum is σ = 283967991216. Its totient is φ = 20803514880.

The previous prime is 85814500841. The next prime is 85814500861. The reversal of 85814500860 is 6800541858.

85814500860 is a `hidden beast` number, since 8 + 5 + 81 + 4 + 500 + 8 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85814500861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21668349 + ... + 21672308.

It is an arithmetic number, because the mean of its divisors is an integer number (3943999878).

Almost surely, 2^85814500860 is an apocalyptic number.

It is an amenable number.

85814500860 is an abundant number, since it is smaller than the sum of its proper divisors (198153490356).

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

85814500860 is a wasteful number, since it uses less digits than its factorization.

85814500860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43340683 (or 43340678 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 85814500860 in words is "eighty-five billion, eight hundred fourteen million, five hundred thousand, eight hundred sixty".