9681127783 has 2 divisors, whose sum is σ = 9681127784. Its totient is φ = 9681127782.

The previous prime is 9681127763. The next prime is 9681127789. The reversal of 9681127783 is 3877211869.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9681127783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9681127783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9681127789) 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 as a sum of consecutive naturals, namely, 4840563891 + 4840563892.

It is an arithmetic number, because the mean of its divisors is an integer number (4840563892).

Almost surely, 2^9681127783 is an apocalyptic number.

9681127783 is a deficient number, since it is larger than the sum of its proper divisors (1).

9681127783 is an equidigital number, since it uses as much as digits as its factorization.

9681127783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 52.

The square root of 9681127783 is about 98392.7222054558. The cubic root of 9681127783 is about 2131.2872367164.

The spelling of 9681127783 in words is "nine billion, six hundred eighty-one million, one hundred twenty-seven thousand, seven hundred eighty-three".