28266127 has 2 divisors, whose sum is σ = 28266128. Its totient is φ = 28266126.

The previous prime is 28266107. The next prime is 28266137. The reversal of 28266127 is 72166282.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28266127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28266092 and 28266101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28266107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14133063 + 14133064.

It is an arithmetic number, because the mean of its divisors is an integer number (14133064).

Almost surely, 2^28266127 is an apocalyptic number.

28266127 is a deficient number, since it is larger than the sum of its proper divisors (1).

28266127 is an equidigital number, since it uses as much as digits as its factorization.

28266127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 28266127 is about 5316.5897904578. The cubic root of 28266127 is about 304.6179108591.

The spelling of 28266127 in words is "twenty-eight million, two hundred sixty-six thousand, one hundred twenty-seven".