28724283799 has 2 divisors, whose sum is σ = 28724283800. Its totient is φ = 28724283798.

The previous prime is 28724283779. The next prime is 28724283803. The reversal of 28724283799 is 99738242782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28724283799 - 2¹⁹ = 28723759511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28724283719) 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, 14362141899 + 14362141900.

It is an arithmetic number, because the mean of its divisors is an integer number (14362141900).

Almost surely, 2^28724283799 is an apocalyptic number.

28724283799 is a deficient number, since it is larger than the sum of its proper divisors (1).

28724283799 is an equidigital number, since it uses as much as digits as its factorization.

28724283799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24385536, while the sum is 61.

The spelling of 28724283799 in words is "twenty-eight billion, seven hundred twenty-four million, two hundred eighty-three thousand, seven hundred ninety-nine".