871766833487452 has 12 divisors (see below), whose sum is σ = 1743533666974960. Its totient is φ = 373614357208896.

The previous prime is 871766833487449. The next prime is 871766833487483. The reversal of 871766833487452 is 254784338667178.

871766833487452 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15567264883677 + ... + 15567264883732.

Almost surely, 2^{871766833487452} is an apocalyptic number.

It is an amenable number.

871766833487452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

871766833487452 is a wasteful number, since it uses less digits than its factorization.

871766833487452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31134529767420 (or 31134529767418 counting only the distinct ones).

The product of its digits is 9103933440, while the sum is 79.

The spelling of 871766833487452 in words is "eight hundred seventy-one trillion, seven hundred sixty-six billion, eight hundred thirty-three million, four hundred eighty-seven thousand, four hundred fifty-two".