28088308115 has 16 divisors (see below), whose sum is σ = 38779646400. Its totient is φ = 19131285120.

The previous prime is 28088308091. The next prime is 28088308159. The reversal of 28088308115 is 51180388082.

It is not a de Polignac number, because 28088308115 - 2⁶ = 28088308051 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, 2687816 + ... + 2698245.

It is an arithmetic number, because the mean of its divisors is an integer number (2423727900).

Almost surely, 2^28088308115 is an apocalyptic number.

28088308115 is a deficient number, since it is larger than the sum of its proper divisors (10691338285).

28088308115 is a wasteful number, since it uses less digits than its factorization.

28088308115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386222.

The product of its (nonzero) digits is 122880, while the sum is 44.

The spelling of 28088308115 in words is "twenty-eight billion, eighty-eight million, three hundred eight thousand, one hundred fifteen".