28655359 has 2 divisors, whose sum is σ = 28655360. Its totient is φ = 28655358.

The previous prime is 28655357. The next prime is 28655369. The reversal of 28655359 is 95355682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28655359 - 2¹ = 28655357 is a prime.

It is a super-2 number, since 2×28655359² = 1642259198837762, which contains 22 as substring.

Together with 28655357, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28655357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14327679 + 14327680.

It is an arithmetic number, because the mean of its divisors is an integer number (14327680).

Almost surely, 2^28655359 is an apocalyptic number.

28655359 is a deficient number, since it is larger than the sum of its proper divisors (1).

28655359 is an equidigital number, since it uses as much as digits as its factorization.

28655359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 43.

The square root of 28655359 is about 5353.0700537168. The cubic root of 28655359 is about 306.0097644513.

The spelling of 28655359 in words is "twenty-eight million, six hundred fifty-five thousand, three hundred fifty-nine".