28478088959 has 2 divisors, whose sum is σ = 28478088960. Its totient is φ = 28478088958.

The previous prime is 28478088931. The next prime is 28478088973. The reversal of 28478088959 is 95988087482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28478088959 - 2⁸ = 28478088703 is a prime.

It is a super-2 number, since 2×28478088959² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28478088979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14239044479 + 14239044480.

It is an arithmetic number, because the mean of its divisors is an integer number (14239044480).

Almost surely, 2^28478088959 is an apocalyptic number.

28478088959 is a deficient number, since it is larger than the sum of its proper divisors (1).

28478088959 is an equidigital number, since it uses as much as digits as its factorization.

28478088959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92897280, while the sum is 68.

The spelling of 28478088959 in words is "twenty-eight billion, four hundred seventy-eight million, eighty-eight thousand, nine hundred fifty-nine".