871031787234576 has 240 divisors, whose sum is σ = 2607717025636800. Its totient is φ = 249651674173440.

The previous prime is 871031787234571. The next prime is 871031787234613. The reversal of 871031787234576 is 675432787130178.

It is a super-3 number, since 3×871031787234576³ (a number of 46 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 871031787234576.

It is not an unprimeable number, because it can be changed into a prime (871031787234571) 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 47 ways as a sum of consecutive naturals, for example, 61690740 + ... + 74483628.

It is an arithmetic number, because the mean of its divisors is an integer number (10865487606820).

Almost surely, 2^{871031787234576} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871031787234576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303858512818400).

871031787234576 is an abundant number, since it is smaller than the sum of its proper divisors (1736685238402224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871031787234576 is a wasteful number, since it uses less digits than its factorization.

871031787234576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12793558 (or 12793541 counting only the distinct ones).

The product of its (nonzero) digits is 331914240, while the sum is 69.

The spelling of 871031787234576 in words is "eight hundred seventy-one trillion, thirty-one billion, seven hundred eighty-seven million, two hundred thirty-four thousand, five hundred seventy-six".