28799281959 has 16 divisors (see below), whose sum is σ = 43887180288. Its totient is φ = 16455772512.

The previous prime is 28799281933. The next prime is 28799281961. The reversal of 28799281959 is 95918299782.

It is not a de Polignac number, because 28799281959 - 2⁹ = 28799281447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28799281893 and 28799281902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28799281859) 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 in 15 ways as a sum of consecutive naturals, for example, 494854 + ... + 549980.

It is an arithmetic number, because the mean of its divisors is an integer number (2742948768).

Almost surely, 2^28799281959 is an apocalyptic number.

28799281959 is a deficient number, since it is larger than the sum of its proper divisors (15087898329).

28799281959 is a wasteful number, since it uses less digits than its factorization.

28799281959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80014.

The product of its digits is 58786560, while the sum is 69.

The spelling of 28799281959 in words is "twenty-eight billion, seven hundred ninety-nine million, two hundred eighty-one thousand, nine hundred fifty-nine".