871034624216625 has 128 divisors (see below), whose sum is σ = 1642894069340160. Its totient is φ = 405960766176000.

The previous prime is 871034624216611. The next prime is 871034624216663. The reversal of 871034624216625 is 526612426430178.

It is a happy number.

It is not a de Polignac number, because 871034624216625 - 2¹¹ = 871034624214577 is a prime.

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 127 ways as a sum of consecutive naturals, for example, 11116602 + ... + 43193148.

It is an arithmetic number, because the mean of its divisors is an integer number (12835109916720).

Almost surely, 2^{871034624216625} is an apocalyptic number.

It is an amenable number.

871034624216625 is a deficient number, since it is larger than the sum of its proper divisors (771859445123535).

871034624216625 is a wasteful number, since it uses less digits than its factorization.

871034624216625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32076832 (or 32076822 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 871034624216625 in words is "eight hundred seventy-one trillion, thirty-four billion, six hundred twenty-four million, two hundred sixteen thousand, six hundred twenty-five".