8939009712 has 80 divisors (see below), whose sum is σ = 24344727552. Its totient is φ = 2822177280.

The previous prime is 8939009687. The next prime is 8939009713. The reversal of 8939009712 is 2179009398.

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

It is not an unprimeable number, because it can be changed into a prime (8939009713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6028 + ... + 133844.

Almost surely, 2^8939009712 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 8939009712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12172363776).

8939009712 is an abundant number, since it is smaller than the sum of its proper divisors (15405717840).

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

8939009712 is a wasteful number, since it uses less digits than its factorization.

8939009712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127906 (or 127900 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 8939009712 is about 94546.3363224615. The cubic root of 8939009712 is about 2075.3744685952.

The spelling of 8939009712 in words is "eight billion, nine hundred thirty-nine million, nine thousand, seven hundred twelve".