871348418546056 has 16 divisors (see below), whose sum is σ = 1782303583389840. Its totient is φ = 396067462975440.

The previous prime is 871348418546051. The next prime is 871348418546093. The reversal of 871348418546056 is 650645814843178.

It is not an unprimeable number, because it can be changed into a prime (871348418546051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4950843287106 + ... + 4950843287281.

It is an arithmetic number, because the mean of its divisors is an integer number (111393973961865).

Almost surely, 2^{871348418546056} is an apocalyptic number.

It is an amenable number.

871348418546056 is an abundant number, since it is smaller than the sum of its proper divisors (910955164843784).

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

871348418546056 is a wasteful number, since it uses less digits than its factorization.

871348418546056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9901686574404 (or 9901686574400 counting only the distinct ones).

The product of its (nonzero) digits is 619315200, while the sum is 70.

The spelling of 871348418546056 in words is "eight hundred seventy-one trillion, three hundred forty-eight billion, four hundred eighteen million, five hundred forty-six thousand, fifty-six".