28335427 has 2 divisors, whose sum is σ = 28335428. Its totient is φ = 28335426.

The previous prime is 28335421. The next prime is 28335467. The reversal of 28335427 is 72453382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28335427 - 2¹⁹ = 27811139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28335392 and 28335401.

It is not a weakly prime, because it can be changed into another prime (28335421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14167713 + 14167714.

It is an arithmetic number, because the mean of its divisors is an integer number (14167714).

Almost surely, 2^28335427 is an apocalyptic number.

28335427 is a deficient number, since it is larger than the sum of its proper divisors (1).

28335427 is an equidigital number, since it uses as much as digits as its factorization.

28335427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 28335427 is about 5323.1031363294. The cubic root of 28335427 is about 304.8666513732.

The spelling of 28335427 in words is "twenty-eight million, three hundred thirty-five thousand, four hundred twenty-seven".