871940063232 has 384 divisors, whose sum is σ = 3005429857200. Its totient is φ = 249113346048.

The previous prime is 871940063209. The next prime is 871940063237. The reversal of 871940063232 is 232360049178.

871940063232 is a `hidden beast` number, since 8 + 7 + 1 + 9 + 4 + 0 + 0 + 632 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871940063237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43342008 + ... + 43362120.

Almost surely, 2^871940063232 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 871940063232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1502714928600).

871940063232 is an abundant number, since it is smaller than the sum of its proper divisors (2133489793968).

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

871940063232 is an equidigital number, since it uses as much as digits as its factorization.

871940063232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20166 (or 20125 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 871940063232 in words is "eight hundred seventy-one billion, nine hundred forty million, sixty-three thousand, two hundred thirty-two".