28071119 has 2 divisors, whose sum is σ = 28071120. Its totient is φ = 28071118.

The previous prime is 28071107. The next prime is 28071187. The reversal of 28071119 is 91117082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28071119 - 2⁴ = 28071103 is a prime.

It is a super-2 number, since 2×28071119² = 1575975443824322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28071091 and 28071100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28071319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14035559 + 14035560.

It is an arithmetic number, because the mean of its divisors is an integer number (14035560).

Almost surely, 2^28071119 is an apocalyptic number.

28071119 is a deficient number, since it is larger than the sum of its proper divisors (1).

28071119 is an equidigital number, since it uses as much as digits as its factorization.

28071119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 28071119 is about 5298.2184741666. The cubic root of 28071119 is about 303.9157740754.

The spelling of 28071119 in words is "twenty-eight million, seventy-one thousand, one hundred nineteen".