8943057816 has 384 divisors, whose sum is σ = 30336768000. Its totient is φ = 2167603200.

The previous prime is 8943057737. The next prime is 8943057821. The reversal of 8943057816 is 6187503498.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11629080 + ... + 11629848.

It is an arithmetic number, because the mean of its divisors is an integer number (79002000).

Almost surely, 2^8943057816 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 8943057816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15168384000).

8943057816 is an abundant number, since it is smaller than the sum of its proper divisors (21393710184).

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

8943057816 is a wasteful number, since it uses less digits than its factorization.

8943057816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 8943057816 is about 94567.7419419540. The cubic root of 8943057816 is about 2075.6877047766.

The spelling of 8943057816 in words is "eight billion, nine hundred forty-three million, fifty-seven thousand, eight hundred sixteen".