9678227328 has 512 divisors, whose sum is σ = 36132480000. Its totient is φ = 2508226560.

The previous prime is 9678227327. The next prime is 9678227369. The reversal of 9678227328 is 8237228769.

9678227328 is a `hidden beast` number, since 96 + 7 + 8 + 227 + 328 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9678227327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21554848 + ... + 21555296.

It is an arithmetic number, because the mean of its divisors is an integer number (70571250).

Almost surely, 2^9678227328 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 9678227328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18066240000).

9678227328 is an abundant number, since it is smaller than the sum of its proper divisors (26454252672).

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

9678227328 is an equidigital number, since it uses as much as digits as its factorization.

9678227328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 472 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 9678227328 is about 98377.9819268519. The cubic root of 9678227328 is about 2131.0743717035.

The spelling of 9678227328 in words is "nine billion, six hundred seventy-eight million, two hundred twenty-seven thousand, three hundred twenty-eight".