9772908113 has 2 divisors, whose sum is σ = 9772908114. Its totient is φ = 9772908112.

The previous prime is 9772908091. The next prime is 9772908137. The reversal of 9772908113 is 3118092779.

9772908113 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8823220624 + 949687489 = 93932^2 + 30817^2 .

It is an emirp because it is prime and its reverse (3118092779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9772908113 - 2⁸ = 9772907857 is a prime.

It is not a weakly prime, because it can be changed into another prime (9772968113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4886454056 + 4886454057.

It is an arithmetic number, because the mean of its divisors is an integer number (4886454057).

Almost surely, 2^9772908113 is an apocalyptic number.

It is an amenable number.

9772908113 is a deficient number, since it is larger than the sum of its proper divisors (1).

9772908113 is an equidigital number, since it uses as much as digits as its factorization.

9772908113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 9772908113 is about 98858.0199730907. The cubic root of 9772908113 is about 2138.0011697540.

The spelling of 9772908113 in words is "nine billion, seven hundred seventy-two million, nine hundred eight thousand, one hundred thirteen".