8199736379918 has 16 divisors (see below), whose sum is σ = 12723798438000. Its totient is φ = 3958471780032.

The previous prime is 8199736379899. The next prime is 8199736379983.

8199736379918 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×8199736379918³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16986173 + ... + 17462231.

It is an arithmetic number, because the mean of its divisors is an integer number (795237402375).

Almost surely, 2^{8199736379918} is an apocalyptic number.

8199736379918 is a deficient number, since it is larger than the sum of its proper divisors (4524062058082).

8199736379918 is a wasteful number, since it uses less digits than its factorization.

8199736379918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773059.

The product of its digits is 1111065984, while the sum is 80.

The spelling of 8199736379918 in words is "eight trillion, one hundred ninety-nine billion, seven hundred thirty-six million, three hundred seventy-nine thousand, nine hundred eighteen".