9881552836 has 27 divisors (see below), whose sum is σ = 18085633293. Its totient is φ = 4723773120.

The previous prime is 9881552819. The next prime is 9881552843. The reversal of 9881552836 is 6382551889.

The square root of 9881552836 is 99406.

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

9881552836 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 only one way, i.e., 6194634436 + 3686918400 = 78706^2 + 60720^2 .

It is a Duffinian number.

It is an unprimeable number.

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, 4571596 + ... + 4573756.

Almost surely, 2^9881552836 is an apocalyptic number.

9881552836 is the 99406-th square number.

It is an amenable number.

9881552836 is a deficient number, since it is larger than the sum of its proper divisors (8204080457).

9881552836 is an equidigital number, since it uses as much as digits as its factorization.

9881552836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372 (or 2186 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 55.

The cubic root of 9881552836 is about 2145.8946600379.

The spelling of 9881552836 in words is "nine billion, eight hundred eighty-one million, five hundred fifty-two thousand, eight hundred thirty-six".