28153119 has 4 divisors (see below), whose sum is σ = 37537496. Its totient is φ = 18768744.

The previous prime is 28153067. The next prime is 28153121. The reversal of 28153119 is 91135182.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 28153119 - 2⁸ = 28152863 is a prime.

It is a super-2 number, since 2×28153119² = 1585196218856322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28153129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4692184 + ... + 4692189.

It is an arithmetic number, because the mean of its divisors is an integer number (9384374).

Almost surely, 2^28153119 is an apocalyptic number.

28153119 is a deficient number, since it is larger than the sum of its proper divisors (9384377).

28153119 is an equidigital number, since it uses as much as digits as its factorization.

28153119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9384376.

The product of its digits is 2160, while the sum is 30.

The square root of 28153119 is about 5305.9512813444. The cubic root of 28153119 is about 304.2114144295.

The spelling of 28153119 in words is "twenty-eight million, one hundred fifty-three thousand, one hundred nineteen".