28468807165 has 16 divisors (see below), whose sum is σ = 35297410176. Its totient is φ = 22030590400.

The previous prime is 28468807163. The next prime is 28468807183. The reversal of 28468807165 is 56170886482.

It is not a de Polignac number, because 28468807165 - 2¹ = 28468807163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28468807163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737731 + ... + 775360.

It is an arithmetic number, because the mean of its divisors is an integer number (2206088136).

Almost surely, 2^28468807165 is an apocalyptic number.

It is an amenable number.

28468807165 is a deficient number, since it is larger than the sum of its proper divisors (6828603011).

28468807165 is a wasteful number, since it uses less digits than its factorization.

28468807165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513220.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 28468807165 in words is "twenty-eight billion, four hundred sixty-eight million, eight hundred seven thousand, one hundred sixty-five".