9797280000 has 180 divisors, whose sum is σ = 32584981968. Its totient is φ = 2612480000.

The previous prime is 9797279983. The next prime is 9797280079. The reversal of 9797280000 is 827979.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 469795 + ... + 490205.

Almost surely, 2^9797280000 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 9797280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16292490984).

9797280000 is an abundant number, since it is smaller than the sum of its proper divisors (22787701968).

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

9797280000 is an equidigital number, since it uses as much as digits as its factorization.

9797280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20450 (or 20421 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 9797280000 is about 98981.2103381243. The cubic root of 9797280000 is about 2139.7769587324.

The spelling of 9797280000 in words is "nine billion, seven hundred ninety-seven million, two hundred eighty thousand".