9378936648 has 64 divisors (see below), whose sum is σ = 26094268800. Its totient is φ = 3121312320.

The previous prime is 9378936631. The next prime is 9378936683. The reversal of 9378936648 is 8466398739.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101890 + ... + 170702.

It is an arithmetic number, because the mean of its divisors is an integer number (407722950).

Almost surely, 2^9378936648 is an apocalyptic number.

It is an amenable number.

9378936648 is an abundant number, since it is smaller than the sum of its proper divisors (16715332152).

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

9378936648 is a wasteful number, since it uses less digits than its factorization.

9378936648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69459 (or 69449 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The square root of 9378936648 is about 96844.9102844336. The cubic root of 9378936648 is about 2108.8767595106.

The spelling of 9378936648 in words is "nine billion, three hundred seventy-eight million, nine hundred thirty-six thousand, six hundred forty-eight".