8393763998 has 16 divisors (see below), whose sum is σ = 12615555840. Its totient is φ = 4188589056.

The previous prime is 8393763971. The next prime is 8393764009. The reversal of 8393763998 is 8993673938.

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, 3235790 + ... + 3238382.

It is an arithmetic number, because the mean of its divisors is an integer number (788472240).

Almost surely, 2^8393763998 is an apocalyptic number.

8393763998 is a deficient number, since it is larger than the sum of its proper divisors (4221791842).

8393763998 is a wasteful number, since it uses less digits than its factorization.

8393763998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171.

The product of its digits is 52907904, while the sum is 65.

The square root of 8393763998 is about 91617.4874027879. The cubic root of 8393763998 is about 2032.2895534054.

The spelling of 8393763998 in words is "eight billion, three hundred ninety-three million, seven hundred sixty-three thousand, nine hundred ninety-eight".