9712782103 has 2 divisors, whose sum is σ = 9712782104. Its totient is φ = 9712782102.

The previous prime is 9712782089. The next prime is 9712782113. The reversal of 9712782103 is 3012872179.

It is a happy number.

9712782103 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (3012872179) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9712782103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9712782113) 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 as a sum of consecutive naturals, namely, 4856391051 + 4856391052.

It is an arithmetic number, because the mean of its divisors is an integer number (4856391052).

Almost surely, 2^9712782103 is an apocalyptic number.

9712782103 is a deficient number, since it is larger than the sum of its proper divisors (1).

9712782103 is an equidigital number, since it uses as much as digits as its factorization.

9712782103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 9712782103 is about 98553.4479508454. The cubic root of 9712782103 is about 2133.6075948962.

The spelling of 9712782103 in words is "nine billion, seven hundred twelve million, seven hundred eighty-two thousand, one hundred three".