842287271 has 32 divisors (see below), whose sum is σ = 1035141120. Its totient is φ = 669362400.

The previous prime is 842287261. The next prime is 842287297. The reversal of 842287271 is 172782248.

It is a de Polignac number, because none of the positive numbers 2^k-842287271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842287261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1803380 + ... + 1803846.

It is an arithmetic number, because the mean of its divisors is an integer number (32348160).

Almost surely, 2^842287271 is an apocalyptic number.

842287271 is a deficient number, since it is larger than the sum of its proper divisors (192853849).

842287271 is a wasteful number, since it uses less digits than its factorization.

842287271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755.

The product of its digits is 100352, while the sum is 41.

The square root of 842287271 is about 29022.1858411802. The cubic root of 842287271 is about 944.3944202949.

The spelling of 842287271 in words is "eight hundred forty-two million, two hundred eighty-seven thousand, two hundred seventy-one".