28775359 has 8 divisors (see below), whose sum is σ = 29272032. Its totient is φ = 28281600.

The previous prime is 28775333. The next prime is 28775371. The reversal of 28775359 is 95357782.

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 28775359 - 2⁹ = 28774847 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 (28775389) 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, 28782 + ... + 29764.

It is an arithmetic number, because the mean of its divisors is an integer number (3659004).

Almost surely, 2^28775359 is an apocalyptic number.

28775359 is a deficient number, since it is larger than the sum of its proper divisors (496673).

28775359 is an equidigital number, since it uses as much as digits as its factorization.

28775359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457.

The product of its digits is 529200, while the sum is 46.

The square root of 28775359 is about 5364.2668650991. The cubic root of 28775359 is about 306.4363284271.

The spelling of 28775359 in words is "twenty-eight million, seven hundred seventy-five thousand, three hundred fifty-nine".