28614232247 has 2 divisors, whose sum is σ = 28614232248. Its totient is φ = 28614232246.

The previous prime is 28614232243. The next prime is 28614232267. The reversal of 28614232247 is 74223241682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28614232247 - 2² = 28614232243 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28614232243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14307116123 + 14307116124.

It is an arithmetic number, because the mean of its divisors is an integer number (14307116124).

Almost surely, 2^28614232247 is an apocalyptic number.

28614232247 is a deficient number, since it is larger than the sum of its proper divisors (1).

28614232247 is an equidigital number, since it uses as much as digits as its factorization.

28614232247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 41.

The spelling of 28614232247 in words is "twenty-eight billion, six hundred fourteen million, two hundred thirty-two thousand, two hundred forty-seven".