871031788873137 has 20 divisors (see below), whose sum is σ = 1377710411160996. Its totient is φ = 546529749880320.

The previous prime is 871031788873019. The next prime is 871031788873151. The reversal of 871031788873137 is 731378887130178.

871031788873137 is a `hidden beast` number, since 87 + 103 + 178 + 88 + 73 + 137 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 269764068854016 + 601267720019121 = 16424496^2 + 24520761^2 .

It is a de Polignac number, because none of the positive numbers 2^k-871031788873137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (871031788873157) 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 19 ways as a sum of consecutive naturals, for example, 316278789064 + ... + 316278791817.

Almost surely, 2^{871031788873137} is an apocalyptic number.

It is an amenable number.

871031788873137 is a deficient number, since it is larger than the sum of its proper divisors (506678622287859).

871031788873137 is a wasteful number, since it uses less digits than its factorization.

871031788873137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632557580910 (or 632557580901 counting only the distinct ones).

The product of its (nonzero) digits is 265531392, while the sum is 72.

The spelling of 871031788873137 in words is "eight hundred seventy-one trillion, thirty-one billion, seven hundred eighty-eight million, eight hundred seventy-three thousand, one hundred thirty-seven".