9788920149 has 8 divisors (see below), whose sum is σ = 13053284800. Its totient is φ = 6525251136.

The previous prime is 9788920139. The next prime is 9788920223. The reversal of 9788920149 is 9410298879.

9788920149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9788920149 - 2⁵ = 9788920117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9788920139) 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 7 ways as a sum of consecutive naturals, for example, 140137 + ... + 198030.

It is an arithmetic number, because the mean of its divisors is an integer number (1631660600).

Almost surely, 2^9788920149 is an apocalyptic number.

It is an amenable number.

9788920149 is a deficient number, since it is larger than the sum of its proper divisors (3264364651).

9788920149 is a wasteful number, since it uses less digits than its factorization.

9788920149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347819.

The product of its (nonzero) digits is 2612736, while the sum is 57.

The square root of 9788920149 is about 98938.9718412315. The cubic root of 9788920149 is about 2139.1681738838.

The spelling of 9788920149 in words is "nine billion, seven hundred eighty-eight million, nine hundred twenty thousand, one hundred forty-nine".