28751883 has 16 divisors (see below), whose sum is σ = 40473600. Its totient is φ = 18105120.

The previous prime is 28751873. The next prime is 28751893. The reversal of 28751883 is 38815782.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28751873) and next prime (28751893).

It is not a de Polignac number, because 28751883 - 2⁵ = 28751851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28751873) 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 15 ways as a sum of consecutive naturals, for example, 28518 + ... + 29508.

It is an arithmetic number, because the mean of its divisors is an integer number (2529600).

Almost surely, 2^28751883 is an apocalyptic number.

28751883 is a deficient number, since it is larger than the sum of its proper divisors (11721717).

28751883 is a wasteful number, since it uses less digits than its factorization.

28751883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522.

The product of its digits is 107520, while the sum is 42.

The square root of 28751883 is about 5362.0782351622. The cubic root of 28751883 is about 306.3529717320.

The spelling of 28751883 in words is "twenty-eight million, seven hundred fifty-one thousand, eight hundred eighty-three".