28101728202183 has 8 divisors (see below), whose sum is σ = 41632189929200. Its totient is φ = 18734485468104.

The previous prime is 28101728202161. The next prime is 28101728202193. The reversal of 28101728202183 is 38120282710182.

28101728202183 is a `hidden beast` number, since 281 + 0 + 17 + 282 + 0 + 2 + 1 + 83 = 666.

It is not a de Polignac number, because 28101728202183 - 2¹⁰ = 28101728201159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28101728202103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520402374088 + ... + 520402374141.

It is an arithmetic number, because the mean of its divisors is an integer number (5204023741150).

Almost surely, 2^{28101728202183} is an apocalyptic number.

28101728202183 is a deficient number, since it is larger than the sum of its proper divisors (13530461727017).

28101728202183 is a wasteful number, since it uses less digits than its factorization.

28101728202183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040804748238 (or 1040804748232 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 28101728202183 in words is "twenty-eight trillion, one hundred one billion, seven hundred twenty-eight million, two hundred two thousand, one hundred eighty-three".