28855883 has 8 divisors (see below), whose sum is σ = 33055200. Its totient is φ = 24675840.

The previous prime is 28855877. The next prime is 28855901. The reversal of 28855883 is 38855882.

It is a happy number.

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

It is not a de Polignac number, because 28855883 - 2²⁴ = 12078667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28855843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448 + ... + 7733.

It is an arithmetic number, because the mean of its divisors is an integer number (4131900).

Almost surely, 2^28855883 is an apocalyptic number.

28855883 is a deficient number, since it is larger than the sum of its proper divisors (4199317).

28855883 is an equidigital number, since it uses as much as digits as its factorization.

28855883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9637.

The product of its digits is 614400, while the sum is 47.

The square root of 28855883 is about 5371.7672138692. The cubic root of 28855883 is about 306.7219025951.

Subtracting 28855883 from its reverse (38855882), we obtain a palindrome (9999999).

The spelling of 28855883 in words is "twenty-eight million, eight hundred fifty-five thousand, eight hundred eighty-three".