9697128676 has 27 divisors (see below), whose sum is σ = 17314842811. Its totient is φ = 4751961344.

The previous prime is 9697128643. The next prime is 9697128677. The reversal of 9697128676 is 6768217969.

The square root of 9697128676 is 98474.

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

9697128676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1592808100 + 8104320576 = 39910^2 + 90024^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9697128677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10437780 + ... + 10438708.

Almost surely, 2^9697128676 is an apocalyptic number.

9697128676 is the 98474-th square number.

It is an amenable number.

9697128676 is a deficient number, since it is larger than the sum of its proper divisors (7617714135).

9697128676 is an frugal number, since it uses more digits than its factorization.

9697128676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 984 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 61.

The cubic root of 9697128676 is about 2132.4607820893.

The spelling of 9697128676 in words is "nine billion, six hundred ninety-seven million, one hundred twenty-eight thousand, six hundred seventy-six".