9882546921 has 27 divisors (see below), whose sum is σ = 15463383429. Its totient is φ = 6079181472.

The previous prime is 9882546901. The next prime is 9882546929. The reversal of 9882546921 is 1296452889.

It is a happy number.

The square root of 9882546921 is 99411.

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

9882546921 is a `hidden beast` number, since 9 + 8 + 8 + 2 + 546 + 92 + 1 = 666.

9882546921 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 133749225 + 9748797696 = 11565^2 + 98736^2 .

It is not a de Polignac number, because 9882546921 - 2⁹ = 9882546409 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9882546929) 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 26 ways as a sum of consecutive naturals, for example, 3875755 + ... + 3878303.

Almost surely, 2^9882546921 is an apocalyptic number.

9882546921 is the 99411-st square number.

9882546921 is the 49706-th centered octagonal number.

It is an amenable number.

9882546921 is a deficient number, since it is larger than the sum of its proper divisors (5580836508).

9882546921 is an equidigital number, since it uses as much as digits as its factorization.

9882546921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5130 (or 2565 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The cubic root of 9882546921 is about 2145.9666166828.

The spelling of 9882546921 in words is "nine billion, eight hundred eighty-two million, five hundred forty-six thousand, nine hundred twenty-one".