28913327 has 2 divisors, whose sum is σ = 28913328. Its totient is φ = 28913326.

The previous prime is 28913309. The next prime is 28913347. The reversal of 28913327 is 72331982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28913327 - 2⁶ = 28913263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28913347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14456663 + 14456664.

It is an arithmetic number, because the mean of its divisors is an integer number (14456664).

Almost surely, 2^28913327 is an apocalyptic number.

28913327 is a deficient number, since it is larger than the sum of its proper divisors (1).

28913327 is an equidigital number, since it uses as much as digits as its factorization.

28913327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 28913327 is about 5377.1113992552. Note that the first 3 decimals coincide. The cubic root of 28913327 is about 306.9253002196.

The spelling of 28913327 in words is "twenty-eight million, nine hundred thirteen thousand, three hundred twenty-seven".