28748327 has 2 divisors, whose sum is σ = 28748328. Its totient is φ = 28748326.

The previous prime is 28748261. The next prime is 28748333. The reversal of 28748327 is 72384782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28748327 - 2¹² = 28744231 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28748347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14374163 + 14374164.

It is an arithmetic number, because the mean of its divisors is an integer number (14374164).

Almost surely, 2^28748327 is an apocalyptic number.

28748327 is a deficient number, since it is larger than the sum of its proper divisors (1).

28748327 is an equidigital number, since it uses as much as digits as its factorization.

28748327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 41.

The square root of 28748327 is about 5361.7466370577. The cubic root of 28748327 is about 306.3403414162.

The spelling of 28748327 in words is "twenty-eight million, seven hundred forty-eight thousand, three hundred twenty-seven".