28434820183 has 16 divisors (see below), whose sum is σ = 35469308160. Its totient is φ = 22145688000.

The previous prime is 28434820157. The next prime is 28434820187. The reversal of 28434820183 is 38102843482.

It is a cyclic number.

It is not a de Polignac number, because 28434820183 - 2¹⁷ = 28434689111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28434820187) 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, 59083 + ... + 245683.

It is an arithmetic number, because the mean of its divisors is an integer number (2216831760).

Almost surely, 2^28434820183 is an apocalyptic number.

28434820183 is a deficient number, since it is larger than the sum of its proper divisors (7034487977).

28434820183 is a wasteful number, since it uses less digits than its factorization.

28434820183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188598.

The product of its (nonzero) digits is 294912, while the sum is 43.

The spelling of 28434820183 in words is "twenty-eight billion, four hundred thirty-four million, eight hundred twenty thousand, one hundred eighty-three".