8468638836 has 36 divisors (see below), whose sum is σ = 22986307008. Its totient is φ = 2419610928.

The previous prime is 8468638831. The next prime is 8468638853. The reversal of 8468638836 is 6388368648.

It is a self number, because there is not a number n which added to its sum of digits gives 8468638836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8468638831) 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 11 ways as a sum of consecutive naturals, for example, 7200636 + ... + 7201811.

It is an arithmetic number, because the mean of its divisors is an integer number (638508528).

Almost surely, 2^8468638836 is an apocalyptic number.

It is an amenable number.

8468638836 is an abundant number, since it is smaller than the sum of its proper divisors (14517668172).

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

8468638836 is a wasteful number, since it uses less digits than its factorization.

8468638836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14402468 (or 14402459 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 60.

The square root of 8468638836 is about 92025.2076118277. The cubic root of 8468638836 is about 2038.3145469199.

The spelling of 8468638836 in words is "eight billion, four hundred sixty-eight million, six hundred thirty-eight thousand, eight hundred thirty-six".