9987000097 has 2 divisors, whose sum is σ = 9987000098. Its totient is φ = 9987000096.

The previous prime is 9987000091. The next prime is 9987000103. The reversal of 9987000097 is 7900007899.

It is a balanced prime because it is at equal distance from previous prime (9987000091) and next prime (9987000103).

It can be written as a sum of positive squares in only one way, i.e., 9847783696 + 139216401 = 99236^2 + 11799^2 .

It is a cyclic number.

It is not a de Polignac number, because 9987000097 - 2⁷ = 9986999969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9987000097.

It is not a weakly prime, because it can be changed into another prime (9987000091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4993500048 + 4993500049.

It is an arithmetic number, because the mean of its divisors is an integer number (4993500049).

Almost surely, 2^9987000097 is an apocalyptic number.

It is an amenable number.

9987000097 is a deficient number, since it is larger than the sum of its proper divisors (1).

9987000097 is an equidigital number, since it uses as much as digits as its factorization.

9987000097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 9987000097 is about 99934.9793465731. The cubic root of 9987000097 is about 2153.5007037909.

The spelling of 9987000097 in words is "nine billion, nine hundred eighty-seven million, ninety-seven", and thus it is an aban number.