9715128708 has 24 divisors (see below), whose sum is σ = 22670631648. Its totient is φ = 3238090816.

The previous prime is 9715128679. The next prime is 9715128713. The reversal of 9715128708 is 8078215179.

It is a happy number.

It is a super-3 number, since 3×9715128708³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141235 + ... + 198437.

It is an arithmetic number, because the mean of its divisors is an integer number (944609652).

Almost surely, 2^9715128708 is an apocalyptic number.

It is an amenable number.

9715128708 is an abundant number, since it is smaller than the sum of its proper divisors (12955502940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9715128708 is a wasteful number, since it uses less digits than its factorization.

9715128708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71363 (or 71361 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 48.

The square root of 9715128708 is about 98565.3524723571. The cubic root of 9715128708 is about 2133.7794073609.

The spelling of 9715128708 in words is "nine billion, seven hundred fifteen million, one hundred twenty-eight thousand, seven hundred eight".