993623715884 has 12 divisors (see below), whose sum is σ = 1738895828208. Its totient is φ = 496796336400.

The previous prime is 993623715869. The next prime is 993623715901. The reversal of 993623715884 is 488517326399.

It is a self number, because there is not a number n which added to its sum of digits gives 993623715884.

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 3 ways as a sum of consecutive naturals, for example, 3735752 + ... + 3992879.

It is an arithmetic number, because the mean of its divisors is an integer number (144907985684).

Almost surely, 2^993623715884 is an apocalyptic number.

It is an amenable number.

993623715884 is a deficient number, since it is larger than the sum of its proper divisors (745272112324).

993623715884 is a wasteful number, since it uses less digits than its factorization.

993623715884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7760776 (or 7760774 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 65.

The spelling of 993623715884 in words is "nine hundred ninety-three billion, six hundred twenty-three million, seven hundred fifteen thousand, eight hundred eighty-four".