28768119 has 4 divisors (see below), whose sum is σ = 38357496. Its totient is φ = 19178744.

The previous prime is 28768111. The next prime is 28768123. The reversal of 28768119 is 91186782.

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 28768119 - 2³ = 28768111 is a prime.

It is a super-2 number, since 2×28768119² = 1655209341596322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28768111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4794684 + ... + 4794689.

It is an arithmetic number, because the mean of its divisors is an integer number (9589374).

Almost surely, 2^28768119 is an apocalyptic number.

28768119 is a deficient number, since it is larger than the sum of its proper divisors (9589377).

28768119 is an equidigital number, since it uses as much as digits as its factorization.

28768119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9589376.

The product of its digits is 48384, while the sum is 42.

The square root of 28768119 is about 5363.5919867193. The cubic root of 28768119 is about 306.4106260531.

The spelling of 28768119 in words is "twenty-eight million, seven hundred sixty-eight thousand, one hundred nineteen".