28164119 has 2 divisors, whose sum is σ = 28164120. Its totient is φ = 28164118.

The previous prime is 28164113. The next prime is 28164197. The reversal of 28164119 is 91146182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28164119 - 2¹² = 28160023 is a prime.

It is a super-2 number, since 2×28164119² = 1586435198092322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28164113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14082059 + 14082060.

It is an arithmetic number, because the mean of its divisors is an integer number (14082060).

Almost surely, 2^28164119 is an apocalyptic number.

28164119 is a deficient number, since it is larger than the sum of its proper divisors (1).

28164119 is an equidigital number, since it uses as much as digits as its factorization.

28164119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 32.

The square root of 28164119 is about 5306.9877520115. The cubic root of 28164119 is about 304.2510298131.

The spelling of 28164119 in words is "twenty-eight million, one hundred sixty-four thousand, one hundred nineteen".