871546385 has 16 divisors (see below), whose sum is σ = 1062853056. Its totient is φ = 685933248.

The previous prime is 871546381. The next prime is 871546393. The reversal of 871546385 is 583645178.

It is a cyclic number.

It is not a de Polignac number, because 871546385 - 2² = 871546381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871546381) 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 15 ways as a sum of consecutive naturals, for example, 388487 + ... + 390723.

It is an arithmetic number, because the mean of its divisors is an integer number (66428316).

Almost surely, 2^871546385 is an apocalyptic number.

It is an amenable number.

871546385 is a deficient number, since it is larger than the sum of its proper divisors (191306671).

871546385 is a wasteful number, since it uses less digits than its factorization.

871546385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472.

The product of its digits is 806400, while the sum is 47.

The square root of 871546385 is about 29521.9644502191. The cubic root of 871546385 is about 955.2055458815.

It can be divided in two parts, 87154 and 6385, that added together give a palindrome (93539).

The spelling of 871546385 in words is "eight hundred seventy-one million, five hundred forty-six thousand, three hundred eighty-five".