9864132328 has 8 divisors (see below), whose sum is σ = 18495248130. Its totient is φ = 4932066160.

The previous prime is 9864132319. The next prime is 9864132329. The reversal of 9864132328 is 8232314689.

It can be written as a sum of positive squares in only one way, i.e., 9568361124 + 295771204 = 97818^2 + 17198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×9864132328² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9864132329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616508263 + ... + 616508278.

Almost surely, 2^9864132328 is an apocalyptic number.

It is an amenable number.

9864132328 is a deficient number, since it is larger than the sum of its proper divisors (8631115802).

9864132328 is a wasteful number, since it uses less digits than its factorization.

9864132328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233016547 (or 1233016543 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 9864132328 is about 99318.3383268166. The cubic root of 9864132328 is about 2144.6328959913.

It can be divided in two parts, 986 and 4132328, that added together give a palindrome (4133314).

The spelling of 9864132328 in words is "nine billion, eight hundred sixty-four million, one hundred thirty-two thousand, three hundred twenty-eight".