8863016640 has 448 divisors, whose sum is σ = 31786007040. Its totient is φ = 2079129600.

The previous prime is 8863016609. The next prime is 8863016641. The reversal of 8863016640 is 466103688.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8863016592 and 8863016601.

It is not an unprimeable number, because it can be changed into a prime (8863016641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31317939 + ... + 31318221.

Almost surely, 2^8863016640 is an apocalyptic number.

8863016640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8863016640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15893003520).

8863016640 is an abundant number, since it is smaller than the sum of its proper divisors (22922990400).

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

8863016640 is a wasteful number, since it uses less digits than its factorization.

8863016640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 8863016640 is about 94143.5958522936. The cubic root of 8863016640 is about 2069.4766069200.

The spelling of 8863016640 in words is "eight billion, eight hundred sixty-three million, sixteen thousand, six hundred forty".