9920548577 has 8 divisors (see below), whose sum is σ = 10960811136. Its totient is φ = 8931030592.

The previous prime is 9920548529. The next prime is 9920548621. The reversal of 9920548577 is 7758450299.

9920548577 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9920548577 - 2⁶ = 9920548513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9920548507) 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 in 7 ways as a sum of consecutive naturals, for example, 12685733 + ... + 12686514.

It is an arithmetic number, because the mean of its divisors is an integer number (1370101392).

Almost surely, 2^9920548577 is an apocalyptic number.

It is an amenable number.

9920548577 is a deficient number, since it is larger than the sum of its proper divisors (1040262559).

9920548577 is a wasteful number, since it uses less digits than its factorization.

9920548577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25372287.

The product of its (nonzero) digits is 6350400, while the sum is 56.

The square root of 9920548577 is about 99601.9506686491. The cubic root of 9920548577 is about 2148.7137485467.

The spelling of 9920548577 in words is "nine billion, nine hundred twenty million, five hundred forty-eight thousand, five hundred seventy-seven".