28786876 has 12 divisors (see below), whose sum is σ = 51203320. Its totient is φ = 14157360.

The previous prime is 28786873. The next prime is 28786883. The reversal of 28786876 is 67868782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28786873) 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 3 ways as a sum of consecutive naturals, for example, 58746 + ... + 59233.

Almost surely, 2^28786876 is an apocalyptic number.

It is an amenable number.

28786876 is a deficient number, since it is larger than the sum of its proper divisors (22416444).

28786876 is a wasteful number, since it uses less digits than its factorization.

28786876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118044 (or 118042 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 52.

The square root of 28786876 is about 5365.3402501612. The cubic root of 28786876 is about 306.4772054897.

It can be divided in two parts, 2 and 8786876, that added together give a palindrome (8786878).

The spelling of 28786876 in words is "twenty-eight million, seven hundred eighty-six thousand, eight hundred seventy-six".