9790220858880 has 1280 divisors, whose sum is σ = 42742352885760. Its totient is φ = 1848587059200.

The previous prime is 9790220858849. The next prime is 9790220858881. The reversal of 9790220858880 is 888580220979.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9790220858881) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 291523690 + ... + 291557270.

It is an arithmetic number, because the mean of its divisors is an integer number (33392463192).

Almost surely, 2^{9790220858880} 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 9790220858880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21371176442880).

9790220858880 is an abundant number, since it is smaller than the sum of its proper divisors (32952132026880).

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

9790220858880 is a wasteful number, since it uses less digits than its factorization.

9790220858880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33671 (or 33655 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 66.

The spelling of 9790220858880 in words is "nine trillion, seven hundred ninety billion, two hundred twenty million, eight hundred fifty-eight thousand, eight hundred eighty".