28234508583 has 8 divisors (see below), whose sum is σ = 37646789488. Its totient is φ = 18822616704.

The previous prime is 28234508543. The next prime is 28234508609. The reversal of 28234508583 is 38580543282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28234508583 - 2²⁰ = 28233460007 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 (28234508503) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 219135 + ... + 323247.

It is an arithmetic number, because the mean of its divisors is an integer number (4705848686).

Almost surely, 2^28234508583 is an apocalyptic number.

28234508583 is a deficient number, since it is larger than the sum of its proper divisors (9412280905).

28234508583 is a wasteful number, since it uses less digits than its factorization.

28234508583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194513.

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 28234508583 in words is "twenty-eight billion, two hundred thirty-four million, five hundred eight thousand, five hundred eighty-three".