9927840382 has 32 divisors (see below), whose sum is σ = 15669158400. Its totient is φ = 4708538208.

The previous prime is 9927840361. The next prime is 9927840397. The reversal of 9927840382 is 2830487299.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3908869 + ... + 3911407.

It is an arithmetic number, because the mean of its divisors is an integer number (489661200).

Almost surely, 2^9927840382 is an apocalyptic number.

9927840382 is a deficient number, since it is larger than the sum of its proper divisors (5741318018).

9927840382 is a wasteful number, since it uses less digits than its factorization.

9927840382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 9927840382 is about 99638.5486746972. The cubic root of 9927840382 is about 2149.2400690532.

The spelling of 9927840382 in words is "nine billion, nine hundred twenty-seven million, eight hundred forty thousand, three hundred eighty-two".