28382587 has 2 divisors, whose sum is σ = 28382588. Its totient is φ = 28382586.

The previous prime is 28382581. The next prime is 28382593. The reversal of 28382587 is 78528382.

It is a balanced prime because it is at equal distance from previous prime (28382581) and next prime (28382593).

It is a cyclic number.

It is not a de Polignac number, because 28382587 - 2³ = 28382579 is a prime.

It is not a weakly prime, because it can be changed into another prime (28382581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14191293 + 14191294.

It is an arithmetic number, because the mean of its divisors is an integer number (14191294).

Almost surely, 2^28382587 is an apocalyptic number.

28382587 is a deficient number, since it is larger than the sum of its proper divisors (1).

28382587 is an equidigital number, since it uses as much as digits as its factorization.

28382587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 43.

The square root of 28382587 is about 5327.5310416740. The cubic root of 28382587 is about 305.0356923203.

The spelling of 28382587 in words is "twenty-eight million, three hundred eighty-two thousand, five hundred eighty-seven".