871415517473320 has 64 divisors (see below), whose sum is σ = 2095421370943680. Its totient is φ = 324996309513216.

The previous prime is 871415517473317. The next prime is 871415517473329. The reversal of 871415517473320 is 23374715514178.

It is not an unprimeable number, because it can be changed into a prime (871415517473329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5988214194 + ... + 5988359713.

It is an arithmetic number, because the mean of its divisors is an integer number (32740958920995).

Almost surely, 2^{871415517473320} is an apocalyptic number.

It is an amenable number.

871415517473320 is an abundant number, since it is smaller than the sum of its proper divisors (1224005853470360).

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

871415517473320 is a wasteful number, since it uses less digits than its factorization.

871415517473320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11976574042 (or 11976574038 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 58.

The spelling of 871415517473320 in words is "eight hundred seventy-one trillion, four hundred fifteen billion, five hundred seventeen million, four hundred seventy-three thousand, three hundred twenty".