9770977539 has 16 divisors (see below), whose sum is σ = 14514979840. Its totient is φ = 6496229160.

The previous prime is 9770977523. The next prime is 9770977571. The reversal of 9770977539 is 9357790779.

9770977539 is a `hidden beast` number, since 9 + 7 + 7 + 0 + 97 + 7 + 539 = 666.

9770977539 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9770977539 - 2⁴ = 9770977523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9770977939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483127 + ... + 502944.

It is an arithmetic number, because the mean of its divisors is an integer number (907186240).

Almost surely, 2^9770977539 is an apocalyptic number.

9770977539 is a deficient number, since it is larger than the sum of its proper divisors (4744002301).

9770977539 is a wasteful number, since it uses less digits than its factorization.

9770977539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986447 (or 986441 counting only the distinct ones).

The product of its (nonzero) digits is 26254935, while the sum is 63.

The square root of 9770977539 is about 98848.2551135831. The cubic root of 9770977539 is about 2137.8603777726.

The spelling of 9770977539 in words is "nine billion, seven hundred seventy million, nine hundred seventy-seven thousand, five hundred thirty-nine".