9648778468 has 48 divisors (see below), whose sum is σ = 20456150400. Its totient is φ = 3887479296.

The previous prime is 9648778463. The next prime is 9648778499. The reversal of 9648778468 is 8648778469.

It is not an unprimeable number, because it can be changed into a prime (9648778463) 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, 420558 + ... + 442906.

It is an arithmetic number, because the mean of its divisors is an integer number (426169800).

Almost surely, 2^9648778468 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 9648778468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10228075200).

9648778468 is an abundant number, since it is smaller than the sum of its proper divisors (10807371932).

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

9648778468 is a wasteful number, since it uses less digits than its factorization.

9648778468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23284 (or 23282 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 67.

The square root of 9648778468 is about 98228.1958909966. The cubic root of 9648778468 is about 2128.9107016615.

Subtracting from 9648778468 its reverse (8648778469), we obtain a palindrome (999999999).

The spelling of 9648778468 in words is "nine billion, six hundred forty-eight million, seven hundred seventy-eight thousand, four hundred sixty-eight".