9947793382 has 16 divisors (see below), whose sum is σ = 15440524560. Its totient is φ = 4801047328.

The previous prime is 9947793379. The next prime is 9947793431. The reversal of 9947793382 is 2833977499.

It is a self number, because there is not a number n which added to its sum of digits gives 9947793382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205293 + ... + 249079.

It is an arithmetic number, because the mean of its divisors is an integer number (965032785).

Almost surely, 2^9947793382 is an apocalyptic number.

9947793382 is a deficient number, since it is larger than the sum of its proper divisors (5492731178).

9947793382 is a wasteful number, since it uses less digits than its factorization.

9947793382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47735.

The product of its digits is 20575296, while the sum is 61.

The square root of 9947793382 is about 99738.6253264000. The cubic root of 9947793382 is about 2150.6789549931.

The spelling of 9947793382 in words is "nine billion, nine hundred forty-seven million, seven hundred ninety-three thousand, three hundred eighty-two".