28683780799 has 2 divisors, whose sum is σ = 28683780800. Its totient is φ = 28683780798.

The previous prime is 28683780743. The next prime is 28683780817. The reversal of 28683780799 is 99708738682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28683780799 - 2⁹ = 28683780287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28683780709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14341890399 + 14341890400.

It is an arithmetic number, because the mean of its divisors is an integer number (14341890400).

Almost surely, 2^28683780799 is an apocalyptic number.

28683780799 is a deficient number, since it is larger than the sum of its proper divisors (1).

28683780799 is an equidigital number, since it uses as much as digits as its factorization.

28683780799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 28683780799 in words is "twenty-eight billion, six hundred eighty-three million, seven hundred eighty thousand, seven hundred ninety-nine".