9664760277 has 12 divisors (see below), whose sum is σ = 13977223884. Its totient is φ = 6435320640.

The previous prime is 9664760257. The next prime is 9664760279. The reversal of 9664760277 is 7720674669.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6092426916 + 3572333361 = 78054^2 + 59769^2 .

It is not a de Polignac number, because 9664760277 - 2⁶ = 9664760213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664760279) 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 11 ways as a sum of consecutive naturals, for example, 646608 + ... + 661385.

It is an arithmetic number, because the mean of its divisors is an integer number (1164768657).

Almost surely, 2^9664760277 is an apocalyptic number.

It is an amenable number.

9664760277 is a deficient number, since it is larger than the sum of its proper divisors (4312463607).

9664760277 is a wasteful number, since it uses less digits than its factorization.

9664760277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308820 (or 1308817 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The square root of 9664760277 is about 98309.5126475561. The cubic root of 9664760277 is about 2130.0854644012.

The spelling of 9664760277 in words is "nine billion, six hundred sixty-four million, seven hundred sixty thousand, two hundred seventy-seven".