28159823330 has 32 divisors (see below), whose sum is σ = 51670960128. Its totient is φ = 11047086400.

The previous prime is 28159823317. The next prime is 28159823353. The reversal of 28159823330 is 3332895182.

It is an unprimeable number.

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, 31784 + ... + 239436.

It is an arithmetic number, because the mean of its divisors is an integer number (1614717504).

Almost surely, 2^28159823330 is an apocalyptic number.

28159823330 is a deficient number, since it is larger than the sum of its proper divisors (23511136798).

28159823330 is a wasteful number, since it uses less digits than its factorization.

28159823330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207922.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 28159823330 in words is "twenty-eight billion, one hundred fifty-nine million, eight hundred twenty-three thousand, three hundred thirty".