8709943824 has 160 divisors (see below), whose sum is σ = 26425392000. Its totient is φ = 2739142656.

The previous prime is 8709943817. The next prime is 8709943831. The reversal of 8709943824 is 4283499078.

It is an interprime number because it is at equal distance from previous prime (8709943817) and next prime (8709943831).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2107392 + ... + 2111520.

It is an arithmetic number, because the mean of its divisors is an integer number (165158700).

Almost surely, 2^8709943824 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 8709943824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13212696000).

8709943824 is an abundant number, since it is smaller than the sum of its proper divisors (17715448176).

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

8709943824 is a wasteful number, since it uses less digits than its factorization.

8709943824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422 (or 4410 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 8709943824 is about 93327.0798000237. The cubic root of 8709943824 is about 2057.4934026630.

The spelling of 8709943824 in words is "eight billion, seven hundred nine million, nine hundred forty-three thousand, eight hundred twenty-four".