9664774667 has 8 divisors (see below), whose sum is σ = 9917979120. Its totient is φ = 9414194400.

The previous prime is 9664774663. The next prime is 9664774673. The reversal of 9664774667 is 7664774669.

It is a happy number.

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 9664774667 - 2² = 9664774663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9664774661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648584 + ... + 663317.

It is an arithmetic number, because the mean of its divisors is an integer number (1239747390).

Almost surely, 2^9664774667 is an apocalyptic number.

9664774667 is a deficient number, since it is larger than the sum of its proper divisors (253204453).

9664774667 is a wasteful number, since it uses less digits than its factorization.

9664774667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312093.

The product of its digits is 64012032, while the sum is 62.

The square root of 9664774667 is about 98309.5858347496. The cubic root of 9664774667 is about 2130.0865215723.

The spelling of 9664774667 in words is "nine billion, six hundred sixty-four million, seven hundred seventy-four thousand, six hundred sixty-seven".