9872797042332 has 192 divisors, whose sum is σ = 31004587837440. Its totient is φ = 2652203492352.

The previous prime is 9872797042321. The next prime is 9872797042343. The reversal of 9872797042332 is 2332407972789.

9872797042332 is a `hidden beast` number, since 9 + 8 + 72 + 79 + 70 + 423 + 3 + 2 = 666.

9872797042332 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 (9872797042321) and next prime (9872797042343).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 9872797042332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12428193 + ... + 13198695.

It is an arithmetic number, because the mean of its divisors is an integer number (161482228320).

Almost surely, 2^{9872797042332} 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 9872797042332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15502293918720).

9872797042332 is an abundant number, since it is smaller than the sum of its proper divisors (21131790795108).

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

9872797042332 is a wasteful number, since it uses less digits than its factorization.

9872797042332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771537 (or 771529 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 63.

The spelling of 9872797042332 in words is "nine trillion, eight hundred seventy-two billion, seven hundred ninety-seven million, forty-two thousand, three hundred thirty-two".