9888097725 has 36 divisors (see below), whose sum is σ = 19320748512. Its totient is φ = 4794228000.

The previous prime is 9888097721. The next prime is 9888097729. The reversal of 9888097725 is 5277908889.

9888097725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9888097721) and next prime (9888097729).

It is not a de Polignac number, because 9888097725 - 2² = 9888097721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9888097721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1995121 + ... + 2000070.

Almost surely, 2^9888097725 is an apocalyptic number.

It is an amenable number.

9888097725 is a deficient number, since it is larger than the sum of its proper divisors (9432650787).

9888097725 is a wasteful number, since it uses less digits than its factorization.

9888097725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995218 (or 3995210 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 63.

The square root of 9888097725 is about 99438.9145405359. The cubic root of 9888097725 is about 2146.3683218527.

The spelling of 9888097725 in words is "nine billion, eight hundred eighty-eight million, ninety-seven thousand, seven hundred twenty-five".