8978839968 has 192 divisors, whose sum is σ = 27598233600. Its totient is φ = 2554949376.

The previous prime is 8978839967. The next prime is 8978839997. The reversal of 8978839968 is 8699388798.

It is a self number, because there is not a number n which added to its sum of digits gives 8978839968.

It is not an unprimeable number, because it can be changed into a prime (8978839963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12084205 + ... + 12084947.

It is an arithmetic number, because the mean of its divisors is an integer number (143740800).

Almost surely, 2^8978839968 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 8978839968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13799116800).

8978839968 is an abundant number, since it is smaller than the sum of its proper divisors (18619393632).

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

8978839968 is a wasteful number, since it uses less digits than its factorization.

8978839968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1122 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 75.

The square root of 8978839968 is about 94756.7410161409. The cubic root of 8978839968 is about 2078.4523719455.

The spelling of 8978839968 in words is "eight billion, nine hundred seventy-eight million, eight hundred thirty-nine thousand, nine hundred sixty-eight".