8198727194 has 16 divisors (see below), whose sum is σ = 14056555968. Its totient is φ = 3513341472.

The previous prime is 8198727193. The next prime is 8198727227. The reversal of 8198727194 is 4917278918.

It is a super-3 number, since 3×8198727194³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (8198727191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118397 + ... + 174399.

It is an arithmetic number, because the mean of its divisors is an integer number (878534748).

Almost surely, 2^8198727194 is an apocalyptic number.

8198727194 is a deficient number, since it is larger than the sum of its proper divisors (5857828774).

8198727194 is a wasteful number, since it uses less digits than its factorization.

8198727194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66469.

The product of its digits is 2032128, while the sum is 56.

The square root of 8198727194 is about 90546.8232131862. The cubic root of 8198727194 is about 2016.4253344100.

The spelling of 8198727194 in words is "eight billion, one hundred ninety-eight million, seven hundred twenty-seven thousand, one hundred ninety-four".