871617432488 has 64 divisors (see below), whose sum is σ = 1827425880000. Its totient is φ = 386296358400.

The previous prime is 871617432487. The next prime is 871617432523. The reversal of 871617432488 is 884234716178.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (871617432481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6058898 + ... + 6201086.

It is an arithmetic number, because the mean of its divisors is an integer number (28553529375).

Almost surely, 2^871617432488 is an apocalyptic number.

871617432488 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871617432488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913712940000).

871617432488 is an abundant number, since it is smaller than the sum of its proper divisors (955808447512).

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

871617432488 is a wasteful number, since it uses less digits than its factorization.

871617432488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143946 (or 143942 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 59.

The spelling of 871617432488 in words is "eight hundred seventy-one billion, six hundred seventeen million, four hundred thirty-two thousand, four hundred eighty-eight".