871345348341072 has 40 divisors (see below), whose sum is σ = 2455609618053600. Its totient is φ = 264044044951680.

The previous prime is 871345348341029. The next prime is 871345348341107. The reversal of 871345348341072 is 270143843543178.

It is a junction number, because it is equal to n+sod(n) for n = 871345348340997 and 871345348341015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825137639947 + ... + 825137641002.

It is an arithmetic number, because the mean of its divisors is an integer number (61390240451340).

Almost surely, 2^{871345348341072} is an apocalyptic number.

It is an amenable number.

871345348341072 is an abundant number, since it is smaller than the sum of its proper divisors (1584264269712528).

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

871345348341072 is a wasteful number, since it uses less digits than its factorization.

871345348341072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650275280971 (or 1650275280965 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 60.

The spelling of 871345348341072 in words is "eight hundred seventy-one trillion, three hundred forty-five billion, three hundred forty-eight million, three hundred forty-one thousand, seventy-two".