871374180848538 has 64 divisors (see below), whose sum is σ = 1753538944204800. Its totient is φ = 288662652848640.

The previous prime is 871374180848537. The next prime is 871374180848641. The reversal of 871374180848538 is 835848081473178.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 871374180848538.

It is not an unprimeable number, because it can be changed into a prime (871374180848537) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5217444778 + ... + 5217611786.

It is an arithmetic number, because the mean of its divisors is an integer number (27399046003200).

Almost surely, 2^{871374180848538} is an apocalyptic number.

871374180848538 is an abundant number, since it is smaller than the sum of its proper divisors (882164763356262).

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

871374180848538 is a wasteful number, since it uses less digits than its factorization.

871374180848538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171507.

The product of its (nonzero) digits is 1156055040, while the sum is 75.

The spelling of 871374180848538 in words is "eight hundred seventy-one trillion, three hundred seventy-four billion, one hundred eighty million, eight hundred forty-eight thousand, five hundred thirty-eight".