871959928504 has 96 divisors (see below), whose sum is σ = 1972764050400. Its totient is φ = 353892188160.

The previous prime is 871959928421. The next prime is 871959928537. The reversal of 871959928504 is 405829959178.

871959928504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 871959928504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64866424 + ... + 64879864.

It is an arithmetic number, because the mean of its divisors is an integer number (20549625525).

Almost surely, 2^871959928504 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 871959928504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986382025200).

871959928504 is an abundant number, since it is smaller than the sum of its proper divisors (1100804121896).

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

871959928504 is a wasteful number, since it uses less digits than its factorization.

871959928504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16701 (or 16678 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 67.

The spelling of 871959928504 in words is "eight hundred seventy-one billion, nine hundred fifty-nine million, nine hundred twenty-eight thousand, five hundred four".