8636745792 has 112 divisors (see below), whose sum is σ = 24214937600. Its totient is φ = 2709158400.

The previous prime is 8636745791. The next prime is 8636745829. The reversal of 8636745792 is 2975476368.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (8636745791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543009 + ... + 558687.

It is an arithmetic number, because the mean of its divisors is an integer number (216204800).

Almost surely, 2^8636745792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8636745792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12107468800).

8636745792 is an abundant number, since it is smaller than the sum of its proper divisors (15578191808).

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

8636745792 is a wasteful number, since it uses less digits than its factorization.

8636745792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15864 (or 15854 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 57.

The square root of 8636745792 is about 92934.0938084619. The cubic root of 8636745792 is about 2051.7134824852.

The spelling of 8636745792 in words is "eight billion, six hundred thirty-six million, seven hundred forty-five thousand, seven hundred ninety-two".