28375327 has 4 divisors (see below), whose sum is σ = 28386760. Its totient is φ = 28363896.

The previous prime is 28375297. The next prime is 28375343. The reversal of 28375327 is 72357382.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 72357382 = 2 ⋅36178691.

It is a cyclic number.

It is not a de Polignac number, because 28375327 - 2¹⁹ = 27851039 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 (28375727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252 + ... + 7537.

It is an arithmetic number, because the mean of its divisors is an integer number (7096690).

Almost surely, 2^28375327 is an apocalyptic number.

28375327 is a deficient number, since it is larger than the sum of its proper divisors (11433).

28375327 is an equidigital number, since it uses as much as digits as its factorization.

28375327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11432.

The product of its digits is 70560, while the sum is 37.

The square root of 28375327 is about 5326.8496318180. The cubic root of 28375327 is about 305.0096816778.

The spelling of 28375327 in words is "twenty-eight million, three hundred seventy-five thousand, three hundred twenty-seven".