28068119 has 4 divisors (see below), whose sum is σ = 29288496. Its totient is φ = 26847744.

The previous prime is 28068107. The next prime is 28068127. The reversal of 28068119 is 91186082.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28068119 is a prime.

It is a super-2 number, since 2×28068119² = 1575638608396322, 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 (28068169) 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, 610154 + ... + 610199.

It is an arithmetic number, because the mean of its divisors is an integer number (7322124).

Almost surely, 2^28068119 is an apocalyptic number.

28068119 is a deficient number, since it is larger than the sum of its proper divisors (1220377).

28068119 is a wasteful number, since it uses less digits than its factorization.

28068119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220376.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 28068119 is about 5297.9353525690. The cubic root of 28068119 is about 303.9049470542.

The spelling of 28068119 in words is "twenty-eight million, sixty-eight thousand, one hundred nineteen".