28508511035 has 4 divisors (see below), whose sum is σ = 34210213248. Its totient is φ = 22806808824.

The previous prime is 28508511023. The next prime is 28508511037. The reversal of 28508511035 is 53011580582.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28508511035 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28508511035.

It is not an unprimeable number, because it can be changed into a prime (28508511037) 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, 2850851099 + ... + 2850851108.

It is an arithmetic number, because the mean of its divisors is an integer number (8552553312).

Almost surely, 2^28508511035 is an apocalyptic number.

28508511035 is a deficient number, since it is larger than the sum of its proper divisors (5701702213).

28508511035 is an equidigital number, since it uses as much as digits as its factorization.

28508511035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701702212.

The product of its (nonzero) digits is 48000, while the sum is 38.

The spelling of 28508511035 in words is "twenty-eight billion, five hundred eight million, five hundred eleven thousand, thirty-five".