28724283779 has 2 divisors, whose sum is σ = 28724283780. Its totient is φ = 28724283778.

The previous prime is 28724283743. The next prime is 28724283799. The reversal of 28724283779 is 97738242782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28724283779 - 2²⁴ = 28707506563 is a prime.

It is not a weakly prime, because it can be changed into another prime (28724283719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14362141889 + 14362141890.

It is an arithmetic number, because the mean of its divisors is an integer number (14362141890).

Almost surely, 2^28724283779 is an apocalyptic number.

28724283779 is a deficient number, since it is larger than the sum of its proper divisors (1).

28724283779 is an equidigital number, since it uses as much as digits as its factorization.

28724283779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18966528, while the sum is 59.

The spelling of 28724283779 in words is "twenty-eight billion, seven hundred twenty-four million, two hundred eighty-three thousand, seven hundred seventy-nine".