9788916783 has 4 divisors (see below), whose sum is σ = 13051889048. Its totient is φ = 6525944520.

The previous prime is 9788916773. The next prime is 9788916833. The reversal of 9788916783 is 3876198879.

9788916783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9788916783 - 2¹⁴ = 9788900399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9788916703) 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 in 3 ways as a sum of consecutive naturals, for example, 1631486128 + ... + 1631486133.

It is an arithmetic number, because the mean of its divisors is an integer number (3262972262).

Almost surely, 2^9788916783 is an apocalyptic number.

9788916783 is a deficient number, since it is larger than the sum of its proper divisors (3262972265).

9788916783 is a wasteful number, since it uses less digits than its factorization.

9788916783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262972264.

The product of its digits is 36578304, while the sum is 66.

The square root of 9788916783 is about 98938.9548307440. The cubic root of 9788916783 is about 2139.1679286936.

The spelling of 9788916783 in words is "nine billion, seven hundred eighty-eight million, nine hundred sixteen thousand, seven hundred eighty-three".