871034628003725 has 6 divisors (see below), whose sum is σ = 1080082938724650. Its totient is φ = 696827702402960.

The previous prime is 871034628003649. The next prime is 871034628003773. The reversal of 871034628003725 is 527300826430178.

It can be written as a sum of positive squares in 3 ways, for example, as 261285144076489 + 609749483927236 = 16164317^2 + 24693106^2 .

It is not a de Polignac number, because 871034628003725 - 2²⁴ = 871034611226509 is a prime.

It is a super-2 number, since 2×871034628003725² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17420692560050 + ... + 17420692560099.

It is an arithmetic number, because the mean of its divisors is an integer number (180013823120775).

Almost surely, 2^{871034628003725} is an apocalyptic number.

It is an amenable number.

871034628003725 is a deficient number, since it is larger than the sum of its proper divisors (209048310720925).

871034628003725 is a wasteful number, since it uses less digits than its factorization.

871034628003725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34841385120159 (or 34841385120154 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 871034628003725 in words is "eight hundred seventy-one trillion, thirty-four billion, six hundred twenty-eight million, three thousand, seven hundred twenty-five".