9897682208 has 54 divisors (see below), whose sum is σ = 19998660969. Its totient is φ = 4821933312.

The previous prime is 9897682199. The next prime is 9897682219. The reversal of 9897682208 is 8022867989.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 7725003664 + 2172678544 = 87892^2 + 46612^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=70348.

It is a super-2 number, since 2×9897682208² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24199508 + ... + 24199916.

Almost surely, 2^9897682208 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 9897682208

9897682208 is an abundant number, since it is smaller than the sum of its proper divisors (10100978761).

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

9897682208 is an frugal number, since it uses more digits than its factorization.

9897682208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 59.

The square root of 9897682208 is about 99487.0956858225. The cubic root of 9897682208 is about 2147.0615858865.

The spelling of 9897682208 in words is "nine billion, eight hundred ninety-seven million, six hundred eighty-two thousand, two hundred eight".