9872308197 has 6 divisors (see below), whose sum is σ = 14260000742. Its totient is φ = 6581538792.

The previous prime is 9872308183. The next prime is 9872308207. The reversal of 9872308197 is 7918032789.

It can be written as a sum of positive squares in only one way, i.e., 9808723521 + 63584676 = 99039^2 + 7974^2 .

It is not a de Polignac number, because 9872308197 - 2⁶ = 9872308133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9872308157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 548461558 + ... + 548461575.

Almost surely, 2^9872308197 is an apocalyptic number.

It is an amenable number.

9872308197 is a deficient number, since it is larger than the sum of its proper divisors (4387692545).

9872308197 is a wasteful number, since it uses less digits than its factorization.

9872308197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096923139 (or 1096923136 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 9872308197 is about 99359.4897178926. The cubic root of 9872308197 is about 2145.2252574496.

The spelling of 9872308197 in words is "nine billion, eight hundred seventy-two million, three hundred eight thousand, one hundred ninety-seven".