9328777920 has 1344 divisors, whose sum is σ = 43820974080. Its totient is φ = 1763942400.

The previous prime is 9328777907. The next prime is 9328777933. The reversal of 9328777920 is 297778239.

It is an interprime number because it is at equal distance from previous prime (9328777907) and next prime (9328777933).

It is a tau number, because it is divible by the number of its divisors (1344).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 158114851 + ... + 158114909.

Almost surely, 2^9328777920 is an apocalyptic number.

9328777920 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9328777920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21910487040).

9328777920 is an abundant number, since it is smaller than the sum of its proper divisors (34492196160).

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

9328777920 is a wasteful number, since it uses less digits than its factorization.

9328777920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 9328777920 is about 96585.5989265481. The cubic root of 9328777920 is about 2105.1106002750.

The spelling of 9328777920 in words is "nine billion, three hundred twenty-eight million, seven hundred seventy-seven thousand, nine hundred twenty".