871345330188378 has 16 divisors (see below), whose sum is σ = 1747170584958240. Its totient is φ = 289701789299216.

The previous prime is 871345330188353. The next prime is 871345330188409. The reversal of 871345330188378 is 873881033543178.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186663521700 + ... + 186663526367.

It is an arithmetic number, because the mean of its divisors is an integer number (109198161559890).

Almost surely, 2^{871345330188378} is an apocalyptic number.

871345330188378 is an abundant number, since it is smaller than the sum of its proper divisors (875825254769862).

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

871345330188378 is a wasteful number, since it uses less digits than its factorization.

871345330188378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373327048461.

The product of its (nonzero) digits is 325140480, while the sum is 69.

The spelling of 871345330188378 in words is "eight hundred seventy-one trillion, three hundred forty-five billion, three hundred thirty million, one hundred eighty-eight thousand, three hundred seventy-eight".