8643618048 has 72 divisors (see below), whose sum is σ = 24774244768. Its totient is φ = 2659571712.

The previous prime is 8643618047. The next prime is 8643618157. The reversal of 8643618048 is 8408163468.

It is a super-2 number, since 2×8643618048² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 8643617988 and 8643618006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8643618041) 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, 422890 + ... + 442857.

Almost surely, 2^8643618048 is an apocalyptic number.

It is an amenable number.

8643618048 is an abundant number, since it is smaller than the sum of its proper divisors (16130626720).

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

8643618048 is a wasteful number, since it uses less digits than its factorization.

8643618048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865779 (or 865765 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 8643618048 is about 92971.0602714630. The cubic root of 8643618048 is about 2052.2575208117.

The spelling of 8643618048 in words is "eight billion, six hundred forty-three million, six hundred eighteen thousand, forty-eight".