871067441 has 4 divisors (see below), whose sum is σ = 874281984. Its totient is φ = 867852900.

The previous prime is 871067423. The next prime is 871067447. The reversal of 871067441 is 144760178.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144760178 = 2 ⋅72380089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-871067441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 871067395 and 871067404.

It is not an unprimeable number, because it can be changed into a prime (871067447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1606865 + ... + 1607406.

It is an arithmetic number, because the mean of its divisors is an integer number (218570496).

Almost surely, 2^871067441 is an apocalyptic number.

It is an amenable number.

871067441 is a deficient number, since it is larger than the sum of its proper divisors (3214543).

871067441 is a wasteful number, since it uses less digits than its factorization.

871067441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214542.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 871067441 is about 29513.8516801857. The cubic root of 871067441 is about 955.0305413147.

The spelling of 871067441 in words is "eight hundred seventy-one million, sixty-seven thousand, four hundred forty-one".