9378396128 has 48 divisors (see below), whose sum is σ = 18703134576. Its totient is φ = 4628736000.

The previous prime is 9378396127. The next prime is 9378396149. The reversal of 9378396128 is 8216938739.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9378396127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902450 + ... + 912782.

It is an arithmetic number, because the mean of its divisors is an integer number (389648637).

Almost surely, 2^9378396128 is an apocalyptic number.

It is an amenable number.

9378396128 is a deficient number, since it is larger than the sum of its proper divisors (9324738448).

9378396128 is a wasteful number, since it uses less digits than its factorization.

9378396128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10707 (or 10699 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 56.

The square root of 9378396128 is about 96842.1195967953. The cubic root of 9378396128 is about 2108.8362463193.

The spelling of 9378396128 in words is "nine billion, three hundred seventy-eight million, three hundred ninety-six thousand, one hundred twenty-eight".