871437158643 has 16 divisors (see below), whose sum is σ = 1193478079136. Its totient is φ = 565181349120.

The previous prime is 871437158639. The next prime is 871437158687. The reversal of 871437158643 is 346851734178.

It is not a de Polignac number, because 871437158643 - 2² = 871437158639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871437150643) 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 15 ways as a sum of consecutive naturals, for example, 322263 + ... + 1358943.

It is an arithmetic number, because the mean of its divisors is an integer number (74592379946).

Almost surely, 2^871437158643 is an apocalyptic number.

871437158643 is a deficient number, since it is larger than the sum of its proper divisors (322040920493).

871437158643 is a wasteful number, since it uses less digits than its factorization.

871437158643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044294.

The product of its digits is 13547520, while the sum is 57.

The spelling of 871437158643 in words is "eight hundred seventy-one billion, four hundred thirty-seven million, one hundred fifty-eight thousand, six hundred forty-three".