85281712870140 has 144 divisors (see below), whose sum is σ = 267621874884000. Its totient is φ = 21956462943744.

The previous prime is 85281712870127. The next prime is 85281712870163. The reversal of 85281712870140 is 4107821718258.

85281712870140 is a `hidden beast` number, since 8 + 5 + 281 + 71 + 287 + 0 + 14 + 0 = 666.

85281712870140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103724299 + ... + 104543261.

It is an arithmetic number, because the mean of its divisors is an integer number (1858485242250).

Almost surely, 2^{85281712870140} is an apocalyptic number.

It is an amenable number.

85281712870140 is an abundant number, since it is smaller than the sum of its proper divisors (182340162013860).

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

85281712870140 is a wasteful number, since it uses less digits than its factorization.

85281712870140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838956 (or 838951 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 54.

The spelling of 85281712870140 in words is "eighty-five trillion, two hundred eighty-one billion, seven hundred twelve million, eight hundred seventy thousand, one hundred forty".