9983548257 has 8 divisors (see below), whose sum is σ = 13636066080. Its totient is φ = 6493364640.

The previous prime is 9983548217. The next prime is 9983548277. The reversal of 9983548257 is 7528453899.

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

It is not a de Polignac number, because 9983548257 - 2¹² = 9983544161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9983548257.

It is not an unprimeable number, because it can be changed into a prime (9983548217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40583407 + ... + 40583652.

It is an arithmetic number, because the mean of its divisors is an integer number (1704508260).

Almost surely, 2^9983548257 is an apocalyptic number.

It is an amenable number.

9983548257 is a deficient number, since it is larger than the sum of its proper divisors (3652517823).

9983548257 is a wasteful number, since it uses less digits than its factorization.

9983548257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81167103.

The product of its digits is 21772800, while the sum is 60.

The square root of 9983548257 is about 99917.7074246602. The cubic root of 9983548257 is about 2153.2525680014.

The spelling of 9983548257 in words is "nine billion, nine hundred eighty-three million, five hundred forty-eight thousand, two hundred fifty-seven".