8921004547 has 16 divisors (see below), whose sum is σ = 11276450752. Its totient is φ = 6867607680.

The previous prime is 8921004487. The next prime is 8921004577. The reversal of 8921004547 is 7454001298.

8921004547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8921004547 - 2⁷ = 8921004419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8921004577) 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 15 ways as a sum of consecutive naturals, for example, 1321404 + ... + 1328137.

It is an arithmetic number, because the mean of its divisors is an integer number (704778172).

Almost surely, 2^8921004547 is an apocalyptic number.

8921004547 is a deficient number, since it is larger than the sum of its proper divisors (2355446205).

8921004547 is a wasteful number, since it uses less digits than its factorization.

8921004547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649598.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 8921004547 is about 94451.0695916145. The cubic root of 8921004547 is about 2073.9801091949.

The spelling of 8921004547 in words is "eight billion, nine hundred twenty-one million, four thousand, five hundred forty-seven".