28668052579 has 2 divisors, whose sum is σ = 28668052580. Its totient is φ = 28668052578.

The previous prime is 28668052531. The next prime is 28668052583. The reversal of 28668052579 is 97525086682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28668052579 - 2⁷ = 28668052451 is a prime.

It is not a weakly prime, because it can be changed into another prime (28668052279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14334026289 + 14334026290.

It is an arithmetic number, because the mean of its divisors is an integer number (14334026290).

Almost surely, 2^28668052579 is an apocalyptic number.

28668052579 is a deficient number, since it is larger than the sum of its proper divisors (1).

28668052579 is an equidigital number, since it uses as much as digits as its factorization.

28668052579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 28668052579 in words is "twenty-eight billion, six hundred sixty-eight million, fifty-two thousand, five hundred seventy-nine".