9747830138 has 8 divisors (see below), whose sum is σ = 14623792320. Its totient is φ = 4873232700.

The previous prime is 9747830137. The next prime is 9747830161. The reversal of 9747830138 is 8310387479.

9747830138 is digitally balanced in base 5, 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 an unprimeable number, because it can be changed into a prime (9747830137) 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 in 3 ways as a sum of consecutive naturals, for example, 323138 + ... + 352013.

It is an arithmetic number, because the mean of its divisors is an integer number (1827974040).

Almost surely, 2^9747830138 is an apocalyptic number.

9747830138 is a deficient number, since it is larger than the sum of its proper divisors (4875962182).

9747830138 is a wasteful number, since it uses less digits than its factorization.

9747830138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682372.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 9747830138 is about 98731.1001559286. The cubic root of 9747830138 is about 2136.1708490958.

The spelling of 9747830138 in words is "nine billion, seven hundred forty-seven million, eight hundred thirty thousand, one hundred thirty-eight".