28381836183 has 16 divisors (see below), whose sum is σ = 38470380000. Its totient is φ = 18607380480.

The previous prime is 28381836163. The next prime is 28381836199. The reversal of 28381836183 is 38163818382.

It is not a de Polignac number, because 28381836183 - 2⁵ = 28381836151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28381836103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1168143 + ... + 1192191.

It is an arithmetic number, because the mean of its divisors is an integer number (2404398750).

Almost surely, 2^28381836183 is an apocalyptic number.

28381836183 is a deficient number, since it is larger than the sum of its proper divisors (10088543817).

28381836183 is a wasteful number, since it uses less digits than its factorization.

28381836183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30562.

The product of its digits is 1327104, while the sum is 51.

The spelling of 28381836183 in words is "twenty-eight billion, three hundred eighty-one million, eight hundred thirty-six thousand, one hundred eighty-three".