9993794863 has 8 divisors (see below), whose sum is σ = 10785601008. Its totient is φ = 9205281984.

The previous prime is 9993794843. The next prime is 9993794869. The reversal of 9993794863 is 3684973999.

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

It is a cyclic number.

It is not a de Polignac number, because 9993794863 - 2⁹ = 9993794351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993794869) by changing a digit.

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, 817006 + ... + 829147.

It is an arithmetic number, because the mean of its divisors is an integer number (1348200126).

Almost surely, 2^9993794863 is an apocalyptic number.

9993794863 is a deficient number, since it is larger than the sum of its proper divisors (791806145).

9993794863 is a wasteful number, since it uses less digits than its factorization.

9993794863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646633.

The product of its digits is 79361856, while the sum is 67.

The square root of 9993794863 is about 99968.9695005405. The cubic root of 9993794863 is about 2153.9889790823.

The spelling of 9993794863 in words is "nine billion, nine hundred ninety-three million, seven hundred ninety-four thousand, eight hundred sixty-three".