871424281 has 12 divisors (see below), whose sum is σ = 1091675172. Its totient is φ = 689478048.

The previous prime is 871424237. The next prime is 871424293. The reversal of 871424281 is 182424178.

It is a happy number.

871424281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 303317056 + 568107225 = 17416^2 + 23835^2 .

It is not a de Polignac number, because 871424281 - 2²⁵ = 837869849 is a prime.

It is a super-2 number, since 2×871424281² = 1518760555032733922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 871424281.

It is not an unprimeable number, because it can be changed into a prime (871424381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 683370 + ... + 684643.

It is an arithmetic number, because the mean of its divisors is an integer number (90972931).

Almost surely, 2^871424281 is an apocalyptic number.

It is an amenable number.

871424281 is a deficient number, since it is larger than the sum of its proper divisors (220250891).

871424281 is a wasteful number, since it uses less digits than its factorization.

871424281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368040 (or 1368033 counting only the distinct ones).

The product of its digits is 28672, while the sum is 37.

The square root of 871424281 is about 29519.8963582191. The cubic root of 871424281 is about 955.1609355707.

The spelling of 871424281 in words is "eight hundred seventy-one million, four hundred twenty-four thousand, two hundred eighty-one".