8199836634 has 16 divisors (see below), whose sum is σ = 17890552800. Its totient is φ = 2484798960.

The previous prime is 8199836573. The next prime is 8199836639. The reversal of 8199836634 is 4366389918.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8199836639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62119909 + ... + 62120040.

It is an arithmetic number, because the mean of its divisors is an integer number (1118159550).

Almost surely, 2^8199836634 is an apocalyptic number.

8199836634 is an abundant number, since it is smaller than the sum of its proper divisors (9690716166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8199836634 is a wasteful number, since it uses less digits than its factorization.

8199836634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124239965.

The product of its digits is 6718464, while the sum is 57.

The square root of 8199836634 is about 90552.9493390469. The cubic root of 8199836634 is about 2016.5162835687.

The spelling of 8199836634 in words is "eight billion, one hundred ninety-nine million, eight hundred thirty-six thousand, six hundred thirty-four".