8218673398 has 16 divisors (see below), whose sum is σ = 13853550816. Its totient is φ = 3628310400.

The previous prime is 8218673347. The next prime is 8218673401. The reversal of 8218673398 is 8933768128.

8218673398 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 6871203 + ... + 6872398.

It is an arithmetic number, because the mean of its divisors is an integer number (865846926).

Almost surely, 2^8218673398 is an apocalyptic number.

8218673398 is a deficient number, since it is larger than the sum of its proper divisors (5634877418).

8218673398 is a wasteful number, since it uses less digits than its factorization.

8218673398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13743639.

The product of its digits is 3483648, while the sum is 55.

The square root of 8218673398 is about 90656.8993403150. The cubic root of 8218673398 is about 2018.0592245579.

The spelling of 8218673398 in words is "eight billion, two hundred eighteen million, six hundred seventy-three thousand, three hundred ninety-eight".