28275883 has 4 divisors (see below), whose sum is σ = 28378240. Its totient is φ = 28173528.

The previous prime is 28275853. The next prime is 28275887. The reversal of 28275883 is 38857282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28275883 - 2⁹ = 28275371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28275887) 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, 50763 + ... + 51316.

It is an arithmetic number, because the mean of its divisors is an integer number (7094560).

Almost surely, 2^28275883 is an apocalyptic number.

28275883 is a deficient number, since it is larger than the sum of its proper divisors (102357).

28275883 is a wasteful number, since it uses less digits than its factorization.

28275883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102356.

The product of its digits is 215040, while the sum is 43.

The square root of 28275883 is about 5317.5072167323. The cubic root of 28275883 is about 304.6529529254.

The spelling of 28275883 in words is "twenty-eight million, two hundred seventy-five thousand, eight hundred eighty-three".