871136666892 has 24 divisors (see below), whose sum is σ = 2258502470000. Its totient is φ = 290378888928.

The previous prime is 871136666867. The next prime is 871136666969. The reversal of 871136666892 is 298666631178.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4033040017 + ... + 4033040232.

Almost surely, 2^871136666892 is an apocalyptic number.

It is an amenable number.

871136666892 is an abundant number, since it is smaller than the sum of its proper divisors (1387365803108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871136666892 is a wasteful number, since it uses less digits than its factorization.

871136666892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066080262 (or 8066080254 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 871136666892 in words is "eight hundred seventy-one billion, one hundred thirty-six million, six hundred sixty-six thousand, eight hundred ninety-two".