28276459 has 2 divisors, whose sum is σ = 28276460. Its totient is φ = 28276458.

The previous prime is 28276439. The next prime is 28276471. The reversal of 28276459 is 95467282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28276459 - 2¹³ = 28268267 is a prime.

It is not a weakly prime, because it can be changed into another prime (28276439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14138229 + 14138230.

It is an arithmetic number, because the mean of its divisors is an integer number (14138230).

Almost surely, 2^28276459 is an apocalyptic number.

28276459 is a deficient number, since it is larger than the sum of its proper divisors (1).

28276459 is an equidigital number, since it uses as much as digits as its factorization.

28276459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 28276459 is about 5317.5613771728. The cubic root of 28276459 is about 304.6550215777.

The spelling of 28276459 in words is "twenty-eight million, two hundred seventy-six thousand, four hundred fifty-nine".