841117855872 has 384 divisors, whose sum is σ = 2654259373440. Its totient is φ = 235230707712.

The previous prime is 841117855859. The next prime is 841117855901. The reversal of 841117855872 is 278558711148.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 615301333 + ... + 615302699.

It is an arithmetic number, because the mean of its divisors is an integer number (6912133785).

Almost surely, 2^841117855872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 841117855872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327129686720).

841117855872 is an abundant number, since it is smaller than the sum of its proper divisors (1813141517568).

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

841117855872 is a wasteful number, since it uses less digits than its factorization.

841117855872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068 (or 2049 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 57.

The spelling of 841117855872 in words is "eight hundred forty-one billion, one hundred seventeen million, eight hundred fifty-five thousand, eight hundred seventy-two".