28894536323 has 8 divisors (see below), whose sum is σ = 29575525056. Its totient is φ = 28213957800.

The previous prime is 28894536317. The next prime is 28894536331. The reversal of 28894536323 is 32363549882.

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

It is a cyclic number.

It is not a de Polignac number, because 28894536323 - 2⁶ = 28894536259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28894536373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42368 + ... + 244098.

It is an arithmetic number, because the mean of its divisors is an integer number (3696940632).

Almost surely, 2^28894536323 is an apocalyptic number.

28894536323 is a deficient number, since it is larger than the sum of its proper divisors (680988733).

28894536323 is a wasteful number, since it uses less digits than its factorization.

28894536323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205105.

The product of its digits is 7464960, while the sum is 53.

The spelling of 28894536323 in words is "twenty-eight billion, eight hundred ninety-four million, five hundred thirty-six thousand, three hundred twenty-three".