28727327 has 2 divisors, whose sum is σ = 28727328. Its totient is φ = 28727326.

The previous prime is 28727287. The next prime is 28727333. The reversal of 28727327 is 72372782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28727327 - 2⁸ = 28727071 is a prime.

It is a Chen prime.

It is equal to p_1783838 and since 28727327 and 1783838 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28727357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14363663 + 14363664.

It is an arithmetic number, because the mean of its divisors is an integer number (14363664).

Almost surely, 2^28727327 is an apocalyptic number.

28727327 is a deficient number, since it is larger than the sum of its proper divisors (1).

28727327 is an equidigital number, since it uses as much as digits as its factorization.

28727327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65856, while the sum is 38.

The square root of 28727327 is about 5359.7879622239. The cubic root of 28727327 is about 306.2657316922.

The spelling of 28727327 in words is "twenty-eight million, seven hundred twenty-seven thousand, three hundred twenty-seven".