28745880230 has 32 divisors (see below), whose sum is σ = 53032281120. Its totient is φ = 11212046080.

The previous prime is 28745880209. The next prime is 28745880259. The reversal of 28745880230 is 3208854782.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 813776 + ... + 848364.

It is an arithmetic number, because the mean of its divisors is an integer number (1657258785).

Almost surely, 2^28745880230 is an apocalyptic number.

28745880230 is a deficient number, since it is larger than the sum of its proper divisors (24286400890).

28745880230 is a wasteful number, since it uses less digits than its factorization.

28745880230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36664.

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 28745880230 in words is "twenty-eight billion, seven hundred forty-five million, eight hundred eighty thousand, two hundred thirty".