871086400235218 has 64 divisors (see below), whose sum is σ = 1349664979931136. Its totient is φ = 421441004160000.

The previous prime is 871086400235113. The next prime is 871086400235231. The reversal of 871086400235218 is 812532004680178.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2710708813 + ... + 2711030143.

It is an arithmetic number, because the mean of its divisors is an integer number (21088515311424).

Almost surely, 2^{871086400235218} is an apocalyptic number.

871086400235218 is a deficient number, since it is larger than the sum of its proper divisors (478578579695918).

871086400235218 is a wasteful number, since it uses less digits than its factorization.

871086400235218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322439.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 871086400235218 in words is "eight hundred seventy-one trillion, eighty-six billion, four hundred million, two hundred thirty-five thousand, two hundred eighteen".