9980870126832 has 240 divisors, whose sum is σ = 32291505398880. Its totient is φ = 2848987545600.

The previous prime is 9980870126783. The next prime is 9980870126839. The reversal of 9980870126832 is 2386210780899.

It is a self number, because there is not a number n which added to its sum of digits gives 9980870126832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980870126839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 766353 + ... + 4533104.

It is an arithmetic number, because the mean of its divisors is an integer number (134547939162).

Almost surely, 2^{9980870126832} 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 9980870126832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16145752699440).

9980870126832 is an abundant number, since it is smaller than the sum of its proper divisors (22310635272048).

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

9980870126832 is a wasteful number, since it uses less digits than its factorization.

9980870126832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299552 (or 5299543 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 9980870126832 in words is "nine trillion, nine hundred eighty billion, eight hundred seventy million, one hundred twenty-six thousand, eight hundred thirty-two".