8641818704 has 60 divisors (see below), whose sum is σ = 17902041696. Its totient is φ = 4031463744.

The previous prime is 8641818683. The next prime is 8641818707. The reversal of 8641818704 is 4078181468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8641818707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11693567 + ... + 11694305.

Almost surely, 2^8641818704 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 8641818704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8951020848).

8641818704 is an abundant number, since it is smaller than the sum of its proper divisors (9260222992).

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

8641818704 is an equidigital number, since it uses as much as digits as its factorization.

8641818704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 47.

The square root of 8641818704 is about 92961.3828640689. The cubic root of 8641818704 is about 2052.1151046189.

The spelling of 8641818704 in words is "eight billion, six hundred forty-one million, eight hundred eighteen thousand, seven hundred four".