9886212986832 has 240 divisors, whose sum is σ = 34055594052480. Its totient is φ = 2607116848128.

The previous prime is 9886212986807. The next prime is 9886212986863. The reversal of 9886212986832 is 2386892126889.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181581118 + ... + 181635554.

It is an arithmetic number, because the mean of its divisors is an integer number (141898308552).

Almost surely, 2^{9886212986832} 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 9886212986832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17027797026240).

9886212986832 is an abundant number, since it is smaller than the sum of its proper divisors (24169381065648).

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

9886212986832 is a wasteful number, since it uses less digits than its factorization.

9886212986832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68330 (or 68321 counting only the distinct ones).

The product of its digits is 286654464, while the sum is 72.

The spelling of 9886212986832 in words is "nine trillion, eight hundred eighty-six billion, two hundred twelve million, nine hundred eighty-six thousand, eight hundred thirty-two".