871034855427405 has 16 divisors (see below), whose sum is σ = 1548506409648960. Its totient is φ = 464551922894544.

The previous prime is 871034855427367. The next prime is 871034855427493. The reversal of 871034855427405 is 504724558430178.

871034855427405 is a `hidden beast` number, since 8 + 7 + 1 + 0 + 3 + 4 + 8 + 554 + 2 + 74 + 0 + 5 = 666.

It is not a de Polignac number, because 871034855427405 - 2¹³ = 871034855419213 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3226055019967 + ... + 3226055020236.

It is an arithmetic number, because the mean of its divisors is an integer number (96781650603060).

Almost surely, 2^{871034855427405} is an apocalyptic number.

It is an amenable number.

871034855427405 is a deficient number, since it is larger than the sum of its proper divisors (677471554221555).

871034855427405 is a wasteful number, since it uses less digits than its factorization.

871034855427405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452110040217 (or 6452110040211 counting only the distinct ones).

The product of its (nonzero) digits is 150528000, while the sum is 63.

The spelling of 871034855427405 in words is "eight hundred seventy-one trillion, thirty-four billion, eight hundred fifty-five million, four hundred twenty-seven thousand, four hundred five".