871545512 has 16 divisors (see below), whose sum is σ = 1634463360. Its totient is φ = 435688624.

The previous prime is 871545481. The next prime is 871545517. The reversal of 871545512 is 215545178.

It is not an unprimeable number, because it can be changed into a prime (871545517) 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, 67913 + ... + 79719.

It is an arithmetic number, because the mean of its divisors is an integer number (102153960).

Almost surely, 2^871545512 is an apocalyptic number.

It is an amenable number.

871545512 is a deficient number, since it is larger than the sum of its proper divisors (762917848).

871545512 is a wasteful number, since it uses less digits than its factorization.

871545512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21040 (or 21036 counting only the distinct ones).

The product of its digits is 56000, while the sum is 38.

The square root of 871545512 is about 29521.9496646140. The cubic root of 871545512 is about 955.2052269485.

The spelling of 871545512 in words is "eight hundred seventy-one million, five hundred forty-five thousand, five hundred twelve".