871558457158 has 16 divisors (see below), whose sum is σ = 1352719705680. Its totient is φ = 420658586656.

The previous prime is 871558457153. The next prime is 871558457179. The reversal of 871558457158 is 851754855178.

It is a super-2 number, since 2×871558457158² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 871558457158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871558457153) 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 7 ways as a sum of consecutive naturals, for example, 1411660 + ... + 1932847.

It is an arithmetic number, because the mean of its divisors is an integer number (84544981605).

Almost surely, 2^871558457158 is an apocalyptic number.

871558457158 is a deficient number, since it is larger than the sum of its proper divisors (481161248522).

871558457158 is a wasteful number, since it uses less digits than its factorization.

871558457158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349031.

The product of its digits is 62720000, while the sum is 64.

The spelling of 871558457158 in words is "eight hundred seventy-one billion, five hundred fifty-eight million, four hundred fifty-seven thousand, one hundred fifty-eight".