9764404225 has 9 divisors (see below), whose sum is σ = 12108473923. Its totient is φ = 7811128120.

The previous prime is 9764404219. The next prime is 9764404253. The reversal of 9764404225 is 5224044679.

The square root of 9764404225 is 98815.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3515185521 + 6249218704 = 59289^2 + 79052^2 .

It is not a de Polignac number, because 9764404225 - 2¹¹ = 9764402177 is a prime.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 484194 + ... + 503956.

Almost surely, 2^9764404225 is an apocalyptic number.

9764404225 is the 98815-th square number.

9764404225 is the 49408-th centered octagonal number.

It is an amenable number.

9764404225 is a deficient number, since it is larger than the sum of its proper divisors (2344069698).

9764404225 is an frugal number, since it uses more digits than its factorization.

9764404225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39536 (or 19768 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The cubic root of 9764404225 is about 2137.3808631431.

The spelling of 9764404225 in words is "nine billion, seven hundred sixty-four million, four hundred four thousand, two hundred twenty-five".