9664759575 has 18 divisors (see below), whose sum is σ = 17310658664. Its totient is φ = 5154538320.

The previous prime is 9664759553. The next prime is 9664759579. The reversal of 9664759575 is 5759574669.

9664759575 is a `hidden beast` number, since 9 + 6 + 6 + 4 + 7 + 59 + 575 = 666.

It is not a de Polignac number, because 9664759575 - 2⁵ = 9664759543 is a prime.

It is a super-3 number, since 3×9664759575³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664759579) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 21477019 + ... + 21477468.

Almost surely, 2^9664759575 is an apocalyptic number.

9664759575 is a deficient number, since it is larger than the sum of its proper divisors (7645899089).

9664759575 is a wasteful number, since it uses less digits than its factorization.

9664759575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42954503 (or 42954495 counting only the distinct ones).

The product of its digits is 71442000, while the sum is 63.

The square root of 9664759575 is about 98309.5090771996. The cubic root of 9664759575 is about 2130.0854128283.

The spelling of 9664759575 in words is "nine billion, six hundred sixty-four million, seven hundred fifty-nine thousand, five hundred seventy-five".