9708715440 has 120 divisors (see below), whose sum is σ = 33363467280. Its totient is φ = 2528773632.

The previous prime is 9708715427. The next prime is 9708715447. The reversal of 9708715440 is 445178079.

It is a happy number.

9708715440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (9708715447) 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 23 ways as a sum of consecutive naturals, for example, 125835 + ... + 187754.

It is an arithmetic number, because the mean of its divisors is an integer number (278028894).

Almost surely, 2^9708715440 is an apocalyptic number.

9708715440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9708715440 is an abundant number, since it is smaller than the sum of its proper divisors (23654751840).

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

9708715440 is a wasteful number, since it uses less digits than its factorization.

9708715440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313651 (or 313642 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 9708715440 is about 98532.8140265973. The cubic root of 9708715440 is about 2133.3097786028.

The spelling of 9708715440 in words is "nine billion, seven hundred eight million, seven hundred fifteen thousand, four hundred forty".