9108002728 has 64 divisors (see below), whose sum is σ = 19122143040. Its totient is φ = 4031040000.

The previous prime is 9108002719. The next prime is 9108002741. The reversal of 9108002728 is 8272008019.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 2057958 + ... + 2062378.

It is an arithmetic number, because the mean of its divisors is an integer number (298783485).

Almost surely, 2^9108002728 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 9108002728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9561071520).

9108002728 is an abundant number, since it is smaller than the sum of its proper divisors (10014140312).

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

9108002728 is a wasteful number, since it uses less digits than its factorization.

9108002728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050 (or 5046 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 9108002728 is about 95435.8566158443. The cubic root of 9108002728 is about 2088.3713056198.

The spelling of 9108002728 in words is "nine billion, one hundred eight million, two thousand, seven hundred twenty-eight".