9886863197 has 2 divisors, whose sum is σ = 9886863198. Its totient is φ = 9886863196.

The previous prime is 9886863187. The next prime is 9886863209. The reversal of 9886863197 is 7913686889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9278698276 + 608164921 = 96326^2 + 24661^2 .

It is a cyclic number.

It is not a de Polignac number, because 9886863197 - 2²⁶ = 9819754333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9886863157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4943431598 + 4943431599.

It is an arithmetic number, because the mean of its divisors is an integer number (4943431599).

Almost surely, 2^9886863197 is an apocalyptic number.

It is an amenable number.

9886863197 is a deficient number, since it is larger than the sum of its proper divisors (1).

9886863197 is an equidigital number, since it uses as much as digits as its factorization.

9886863197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 65.

The square root of 9886863197 is about 99432.7068775662. The cubic root of 9886863197 is about 2146.2789935125.

The spelling of 9886863197 in words is "nine billion, eight hundred eighty-six million, eight hundred sixty-three thousand, one hundred ninety-seven".