28035080305 has 16 divisors (see below), whose sum is σ = 35109293184. Its totient is φ = 21450183040.

The previous prime is 28035080257. The next prime is 28035080329. The reversal of 28035080305 is 50308053082.

It is a de Polignac number, because none of the positive numbers 2^k-28035080305 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1774290 + ... + 1790020.

It is an arithmetic number, because the mean of its divisors is an integer number (2194330824).

Almost surely, 2^28035080305 is an apocalyptic number.

It is an amenable number.

28035080305 is a deficient number, since it is larger than the sum of its proper divisors (7074212879).

28035080305 is a wasteful number, since it uses less digits than its factorization.

28035080305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31256.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 28035080305 in words is "twenty-eight billion, thirty-five million, eighty thousand, three hundred five".