9999704783 has 2 divisors, whose sum is σ = 9999704784. Its totient is φ = 9999704782.

The previous prime is 9999704777. The next prime is 9999704789. The reversal of 9999704783 is 3874079999.

It is a balanced prime because it is at equal distance from previous prime (9999704777) and next prime (9999704789).

It is an emirp because it is prime and its reverse (3874079999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9999704783 - 2⁶ = 9999704719 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9999704789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999852391 + 4999852392.

It is an arithmetic number, because the mean of its divisors is an integer number (4999852392).

Almost surely, 2^9999704783 is an apocalyptic number.

9999704783 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999704783 is an equidigital number, since it uses as much as digits as its factorization.

9999704783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30862944, while the sum is 65.

The square root of 9999704783 is about 99998.5239041057. The cubic root of 9999704783 is about 2154.4134889651.

The spelling of 9999704783 in words is "nine billion, nine hundred ninety-nine million, seven hundred four thousand, seven hundred eighty-three".