9664540715 has 8 divisors (see below), whose sum is σ = 12279651840. Its totient is φ = 7276830592.

The previous prime is 9664540679. The next prime is 9664540727. The reversal of 9664540715 is 5170454669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9664540715 - 2⁶ = 9664540651 is a prime.

It is a super-2 number, since 2×9664540715² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9664540715.

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, 56850155 + ... + 56850324.

It is an arithmetic number, because the mean of its divisors is an integer number (1534956480).

Almost surely, 2^9664540715 is an apocalyptic number.

9664540715 is a deficient number, since it is larger than the sum of its proper divisors (2615111125).

9664540715 is a wasteful number, since it uses less digits than its factorization.

9664540715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113700501.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 9664540715 is about 98308.3959537536. The cubic root of 9664540715 is about 2130.0693340006.

The spelling of 9664540715 in words is "nine billion, six hundred sixty-four million, five hundred forty thousand, seven hundred fifteen".