9720049577 has 16 divisors (see below), whose sum is σ = 11322854400. Its totient is φ = 8171450640.

The previous prime is 9720049561. The next prime is 9720049601. The reversal of 9720049577 is 7759400279.

9720049577 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 9720049577 - 2⁴ = 9720049561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9720049177) 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, 154502 + ... + 208112.

It is an arithmetic number, because the mean of its divisors is an integer number (707678400).

Almost surely, 2^9720049577 is an apocalyptic number.

It is an amenable number.

9720049577 is a deficient number, since it is larger than the sum of its proper divisors (1602804823).

9720049577 is a wasteful number, since it uses less digits than its factorization.

9720049577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54116.

The product of its (nonzero) digits is 1111320, while the sum is 50.

The square root of 9720049577 is about 98590.3117806207. The cubic root of 9720049577 is about 2134.1396110850.

The spelling of 9720049577 in words is "nine billion, seven hundred twenty million, forty-nine thousand, five hundred seventy-seven".