9438678744 has 64 divisors (see below), whose sum is σ = 26289584640. Its totient is φ = 2799346560.

The previous prime is 9438678731. The next prime is 9438678763. The reversal of 9438678744 is 4478768349.

9438678744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367939 + ... + 392754.

It is an arithmetic number, because the mean of its divisors is an integer number (410774760).

Almost surely, 2^9438678744 is an apocalyptic number.

9438678744 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

9438678744 is an abundant number, since it is smaller than the sum of its proper divisors (16850905896).

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

9438678744 is a wasteful number, since it uses less digits than its factorization.

9438678744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760760 (or 760756 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 60.

The square root of 9438678744 is about 97152.8627679082. The cubic root of 9438678744 is about 2113.3450042202.

The spelling of 9438678744 in words is "nine billion, four hundred thirty-eight million, six hundred seventy-eight thousand, seven hundred forty-four".