9806897152 has 112 divisors (see below), whose sum is σ = 21435255072. Its totient is φ = 4459069440.

The previous prime is 9806897137. The next prime is 9806897179. The reversal of 9806897152 is 2517986089.

It is a super-2 number, since 2×9806897152² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9806897093 and 9806897102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7560568 + ... + 7561864.

It is an arithmetic number, because the mean of its divisors is an integer number (191386206).

Almost surely, 2^9806897152 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 9806897152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10717627536).

9806897152 is an abundant number, since it is smaller than the sum of its proper divisors (11628357920).

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

9806897152 is a wasteful number, since it uses less digits than its factorization.

9806897152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 55.

The square root of 9806897152 is about 99029.7791171928. The cubic root of 9806897152 is about 2140.4768751216.

The spelling of 9806897152 in words is "nine billion, eight hundred six million, eight hundred ninety-seven thousand, one hundred fifty-two".