871418447 has 4 divisors (see below), whose sum is σ = 883355760. Its totient is φ = 859481136.

The previous prime is 871418441. The next prime is 871418461. The reversal of 871418447 is 744814178.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 871418447 - 2¹² = 871414351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 871418398 and 871418407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871418441) 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 3 ways as a sum of consecutive naturals, for example, 5968547 + ... + 5968692.

It is an arithmetic number, because the mean of its divisors is an integer number (220838940).

Almost surely, 2^871418447 is an apocalyptic number.

871418447 is a deficient number, since it is larger than the sum of its proper divisors (11937313).

871418447 is a wasteful number, since it uses less digits than its factorization.

871418447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11937312.

The product of its digits is 200704, while the sum is 44.

The square root of 871418447 is about 29519.7975433437. The cubic root of 871418447 is about 955.1588040329.

The spelling of 871418447 in words is "eight hundred seventy-one million, four hundred eighteen thousand, four hundred forty-seven".