7985679686318 has 8 divisors (see below), whose sum is σ = 11981050395048. Its totient is φ = 3991996221304.

The previous prime is 7985679686293. The next prime is 7985679686353. The reversal of 7985679686318 is 8136869765897.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421799096 + ... + 421818027.

It is an arithmetic number, because the mean of its divisors is an integer number (1497631299381).

Almost surely, 2^{7985679686318} is an apocalyptic number.

7985679686318 is a deficient number, since it is larger than the sum of its proper divisors (3995370708730).

7985679686318 is a wasteful number, since it uses less digits than its factorization.

7985679686318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843621858.

The product of its digits is 6584094720, while the sum is 83.

The spelling of 7985679686318 in words is "seven trillion, nine hundred eighty-five billion, six hundred seventy-nine million, six hundred eighty-six thousand, three hundred eighteen".