28796449235 has 4 divisors (see below), whose sum is σ = 34555739088. Its totient is φ = 23037159384.

The previous prime is 28796449069. The next prime is 28796449237. The reversal of 28796449235 is 53294469782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28796449235 - 2²⁰ = 28795400659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28796449237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2879644919 + ... + 2879644928.

It is an arithmetic number, because the mean of its divisors is an integer number (8638934772).

Almost surely, 2^28796449235 is an apocalyptic number.

28796449235 is a deficient number, since it is larger than the sum of its proper divisors (5759289853).

28796449235 is an equidigital number, since it uses as much as digits as its factorization.

28796449235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5759289852.

The product of its digits is 26127360, while the sum is 59.

The spelling of 28796449235 in words is "twenty-eight billion, seven hundred ninety-six million, four hundred forty-nine thousand, two hundred thirty-five".