8636398612 has 12 divisors (see below), whose sum is σ = 15189647200. Its totient is φ = 4296499416.

The previous prime is 8636398591. The next prime is 8636398613. The reversal of 8636398612 is 2168936368.

It is a self number, because there is not a number n which added to its sum of digits gives 8636398612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8636398613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5424078 + ... + 5425669.

Almost surely, 2^8636398612 is an apocalyptic number.

It is an amenable number.

8636398612 is a deficient number, since it is larger than the sum of its proper divisors (6553248588).

8636398612 is a wasteful number, since it uses less digits than its factorization.

8636398612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849950 (or 10849948 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The square root of 8636398612 is about 92932.2259068403. The cubic root of 8636398612 is about 2051.6859905167.

The spelling of 8636398612 in words is "eight billion, six hundred thirty-six million, three hundred ninety-eight thousand, six hundred twelve".