871617939241 has 12 divisors (see below), whose sum is σ = 1016641222212. Its totient is φ = 745098123168.

The previous prime is 871617939217. The next prime is 871617939263. The reversal of 871617939241 is 142939716178.

It is a happy number.

871617939241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 727822265625 + 143795673616 = 853125^2 + 379204^2 .

It is not a de Polignac number, because 871617939241 - 2⁷ = 871617939113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (871617939281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23826390 + ... + 23862943.

It is an arithmetic number, because the mean of its divisors is an integer number (84720101851).

Almost surely, 2^871617939241 is an apocalyptic number.

It is an amenable number.

871617939241 is a deficient number, since it is larger than the sum of its proper divisors (145023282971).

871617939241 is a wasteful number, since it uses less digits than its factorization.

871617939241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47689720 (or 47689713 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 58.

The spelling of 871617939241 in words is "eight hundred seventy-one billion, six hundred seventeen million, nine hundred thirty-nine thousand, two hundred forty-one".