28979500579 has 2 divisors, whose sum is σ = 28979500580. Its totient is φ = 28979500578.

The previous prime is 28979500577. The next prime is 28979500591. The reversal of 28979500579 is 97500597982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28979500579 - 2¹ = 28979500577 is a prime.

It is a super-2 number, since 2×28979500579² (a number of 22 digits) contains 22 as substring.

Together with 28979500577, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28979500577) 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, 14489750289 + 14489750290.

It is an arithmetic number, because the mean of its divisors is an integer number (14489750290).

Almost surely, 2^28979500579 is an apocalyptic number.

28979500579 is a deficient number, since it is larger than the sum of its proper divisors (1).

28979500579 is an equidigital number, since it uses as much as digits as its factorization.

28979500579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14288400, while the sum is 61.

The spelling of 28979500579 in words is "twenty-eight billion, nine hundred seventy-nine million, five hundred thousand, five hundred seventy-nine".