82857040227 has 48 divisors (see below), whose sum is σ = 130316379648. Its totient is φ = 50424975360.

The previous prime is 82857040213. The next prime is 82857040229. The reversal of 82857040227 is 72204075828.

82857040227 is a `hidden beast` number, since 82 + 85 + 70 + 402 + 27 = 666.

It is not a de Polignac number, because 82857040227 - 2⁷ = 82857040099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82857040229) 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 47 ways as a sum of consecutive naturals, for example, 24432702 + ... + 24436092.

It is an arithmetic number, because the mean of its divisors is an integer number (2714924576).

Almost surely, 2^82857040227 is an apocalyptic number.

82857040227 is a deficient number, since it is larger than the sum of its proper divisors (47459339421).

82857040227 is a wasteful number, since it uses less digits than its factorization.

82857040227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660 (or 5657 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The spelling of 82857040227 in words is "eighty-two billion, eight hundred fifty-seven million, forty thousand, two hundred twenty-seven".