9864008197 has 2 divisors, whose sum is σ = 9864008198. Its totient is φ = 9864008196.

The previous prime is 9864008173. The next prime is 9864008221. The reversal of 9864008197 is 7918004689.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (9864008173) and next prime (9864008221).

It can be written as a sum of positive squares in only one way, i.e., 6051439681 + 3812568516 = 77791^2 + 61746^2 .

It is a cyclic number.

It is not a de Polignac number, because 9864008197 - 2⁷ = 9864008069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9864008117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4932004098 + 4932004099.

It is an arithmetic number, because the mean of its divisors is an integer number (4932004099).

Almost surely, 2^9864008197 is an apocalyptic number.

It is an amenable number.

9864008197 is a deficient number, since it is larger than the sum of its proper divisors (1).

9864008197 is an equidigital number, since it uses as much as digits as its factorization.

9864008197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 9864008197 is about 99317.7134100458. The cubic root of 9864008197 is about 2144.6238998784.

The spelling of 9864008197 in words is "nine billion, eight hundred sixty-four million, eight thousand, one hundred ninety-seven".