8430841134872 has 64 divisors (see below), whose sum is σ = 17445453490080. Its totient is φ = 3795050068992.

The previous prime is 8430841134847. The next prime is 8430841134883. The reversal of 8430841134872 is 2784311480348.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1635188 + ... + 4419900.

Almost surely, 2^{8430841134872} 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 8430841134872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8722726745040).

8430841134872 is an abundant number, since it is smaller than the sum of its proper divisors (9014612355208).

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

8430841134872 is a wasteful number, since it uses less digits than its factorization.

8430841134872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785452 (or 2785448 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 53.

The spelling of 8430841134872 in words is "eight trillion, four hundred thirty billion, eight hundred forty-one million, one hundred thirty-four thousand, eight hundred seventy-two".