28817327 has 16 divisors (see below), whose sum is σ = 36086784. Its totient is φ = 22356000.

The previous prime is 28817323. The next prime is 28817333. The reversal of 28817327 is 72371882.

It is a cyclic number.

It is not a de Polignac number, because 28817327 - 2² = 28817323 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 (28817323) 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 15 ways as a sum of consecutive naturals, for example, 20177 + ... + 21557.

It is an arithmetic number, because the mean of its divisors is an integer number (2255424).

Almost surely, 2^28817327 is an apocalyptic number.

28817327 is a deficient number, since it is larger than the sum of its proper divisors (7269457).

28817327 is a wasteful number, since it uses less digits than its factorization.

28817327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670.

The product of its digits is 37632, while the sum is 38.

The square root of 28817327 is about 5368.1772511719. The cubic root of 28817327 is about 306.5852321316.

The spelling of 28817327 in words is "twenty-eight million, eight hundred seventeen thousand, three hundred twenty-seven".