871837445120 has 88 divisors (see below), whose sum is σ = 2095910919744. Its totient is φ = 347980824576.

The previous prime is 871837445117. The next prime is 871837445123. The reversal of 871837445120 is 21544738178.

871837445120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (871837445117) and next prime (871837445123).

It is not an unprimeable number, because it can be changed into a prime (871837445123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2186672 + ... + 2554448.

Almost surely, 2^871837445120 is an apocalyptic number.

871837445120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871837445120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047955459872).

871837445120 is an abundant number, since it is smaller than the sum of its proper divisors (1224073474624).

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

871837445120 is a wasteful number, since it uses less digits than its factorization.

871837445120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368265 (or 368247 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 871837445120 in words is "eight hundred seventy-one billion, eight hundred thirty-seven million, four hundred forty-five thousand, one hundred twenty".