28645167 has 16 divisors (see below), whose sum is σ = 38878560. Its totient is φ = 18757632.

The previous prime is 28645159. The next prime is 28645213. The reversal of 28645167 is 76154682.

It is not a de Polignac number, because 28645167 - 2³ = 28645159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28645367) 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, 50059 + ... + 50627.

It is an arithmetic number, because the mean of its divisors is an integer number (2429910).

Almost surely, 2^28645167 is an apocalyptic number.

28645167 is a deficient number, since it is larger than the sum of its proper divisors (10233393).

28645167 is a wasteful number, since it uses less digits than its factorization.

28645167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842.

The product of its digits is 80640, while the sum is 39.

The square root of 28645167 is about 5352.1179919729. The cubic root of 28645167 is about 305.9734801230.

The spelling of 28645167 in words is "twenty-eight million, six hundred forty-five thousand, one hundred sixty-seven".