28882247 has 2 divisors, whose sum is σ = 28882248. Its totient is φ = 28882246.

The previous prime is 28882229. The next prime is 28882267. The reversal of 28882247 is 74228882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28882247 - 2⁸ = 28881991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28882207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14441123 + 14441124.

It is an arithmetic number, because the mean of its divisors is an integer number (14441124).

Almost surely, 2^28882247 is an apocalyptic number.

28882247 is a deficient number, since it is larger than the sum of its proper divisors (1).

28882247 is an equidigital number, since it uses as much as digits as its factorization.

28882247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 114688, while the sum is 41.

The square root of 28882247 is about 5374.2205946537. The cubic root of 28882247 is about 306.8152856878.

The spelling of 28882247 in words is "twenty-eight million, eight hundred eighty-two thousand, two hundred forty-seven".