9377389920 has 96 divisors (see below), whose sum is σ = 29734629120. Its totient is φ = 2484057600.

The previous prime is 9377389897. The next prime is 9377389921. The reversal of 9377389920 is 299837739.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9377389921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7791 + ... + 137169.

It is an arithmetic number, because the mean of its divisors is an integer number (309735720).

Almost surely, 2^9377389920 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 9377389920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14867314560).

9377389920 is an abundant number, since it is smaller than the sum of its proper divisors (20357239200).

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

9377389920 is a wasteful number, since it uses less digits than its factorization.

9377389920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129548 (or 129540 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 57.

The square root of 9377389920 is about 96836.9243625591. The cubic root of 9377389920 is about 2108.7608246173.

The spelling of 9377389920 in words is "nine billion, three hundred seventy-seven million, three hundred eighty-nine thousand, nine hundred twenty".