9654120378 has 128 divisors (see below), whose sum is σ = 26798653440. Its totient is φ = 2512270080.

The previous prime is 9654120353. The next prime is 9654120433. The reversal of 9654120378 is 8730214569.

9654120378 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

9654120378 is strictly pandigital in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 174975 + ... + 223437.

It is an arithmetic number, because the mean of its divisors is an integer number (209364480).

It is a 2-persistent number, because it is pandigital, and so is 2⋅9654120378 = 19308240756, but 3⋅9654120378 = 28962361134 is not.

Almost surely, 2^9654120378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9654120378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13399326720).

9654120378 is an abundant number, since it is smaller than the sum of its proper divisors (17144533062).

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

9654120378 is a wasteful number, since it uses less digits than its factorization.

9654120378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48529 (or 48523 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 9654120378 is about 98255.3834555644. The cubic root of 9654120378 is about 2129.3035096326.

The spelling of 9654120378 in words is "nine billion, six hundred fifty-four million, one hundred twenty thousand, three hundred seventy-eight".