28570848330 has 128 divisors (see below), whose sum is σ = 73285751808. Its totient is φ = 7117673472.

The previous prime is 28570848289. The next prime is 28570848337. The reversal of 28570848330 is 3384807582.

It is a self number, because there is not a number n which added to its sum of digits gives 28570848330.

It is not an unprimeable number, because it can be changed into a prime (28570848337) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2759844 + ... + 2770176.

It is an arithmetic number, because the mean of its divisors is an integer number (572544936).

Almost surely, 2^28570848330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28570848330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36642875904).

28570848330 is an abundant number, since it is smaller than the sum of its proper divisors (44714903478).

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

28570848330 is a wasteful number, since it uses less digits than its factorization.

28570848330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10480.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 28570848330 in words is "twenty-eight billion, five hundred seventy million, eight hundred forty-eight thousand, three hundred thirty".