8199629894 has 16 divisors (see below), whose sum is σ = 12611353968. Its totient is φ = 3996831072.

The previous prime is 8199629861. The next prime is 8199629923. The reversal of 8199629894 is 4989269918.

It is a self number, because there is not a number n which added to its sum of digits gives 8199629894.

It is a congruent number.

It is an unprimeable number.

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, 229712 + ... + 262995.

It is an arithmetic number, because the mean of its divisors is an integer number (788209623).

Almost surely, 2^8199629894 is an apocalyptic number.

8199629894 is a deficient number, since it is larger than the sum of its proper divisors (4411724074).

8199629894 is a wasteful number, since it uses less digits than its factorization.

8199629894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492919.

The product of its digits is 20155392, while the sum is 65.

The square root of 8199629894 is about 90551.8077897951. The cubic root of 8199629894 is about 2016.4993361547.

The spelling of 8199629894 in words is "eight billion, one hundred ninety-nine million, six hundred twenty-nine thousand, eight hundred ninety-four".