871374648018018 has 32 divisors (see below), whose sum is σ = 1845390672709056. Its totient is φ = 273353666416128.

The previous prime is 871374648017959. The next prime is 871374648018059. The reversal of 871374648018018 is 810810846473178.

It is a self number, because there is not a number n which added to its sum of digits gives 871374648018018.

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 15 ways as a sum of consecutive naturals, for example, 291822571 + ... + 294793422.

It is an arithmetic number, because the mean of its divisors is an integer number (57668458522158).

Almost surely, 2^{871374648018018} is an apocalyptic number.

871374648018018 is an abundant number, since it is smaller than the sum of its proper divisors (974016024691038).

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

871374648018018 is a wasteful number, since it uses less digits than its factorization.

871374648018018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586630578.

The product of its (nonzero) digits is 57802752, while the sum is 66.

The spelling of 871374648018018 in words is "eight hundred seventy-one trillion, three hundred seventy-four billion, six hundred forty-eight million, eighteen thousand, eighteen".