871736133078552 has 32 divisors (see below), whose sum is σ = 2490674665939200. Its totient is φ = 249067466593824.

The previous prime is 871736133078541. The next prime is 871736133078553. The reversal of 871736133078552 is 255870331637178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871736133078553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2594452776852 + ... + 2594452777187.

It is an arithmetic number, because the mean of its divisors is an integer number (77833583310600).

Almost surely, 2^{871736133078552} is an apocalyptic number.

It is an amenable number.

871736133078552 is an abundant number, since it is smaller than the sum of its proper divisors (1618938532860648).

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

871736133078552 is a wasteful number, since it uses less digits than its factorization.

871736133078552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188905554055 (or 5188905554051 counting only the distinct ones).

The product of its (nonzero) digits is 177811200, while the sum is 66.

The spelling of 871736133078552 in words is "eight hundred seventy-one trillion, seven hundred thirty-six billion, one hundred thirty-three million, seventy-eight thousand, five hundred fifty-two".