28875167 has 6 divisors (see below), whose sum is σ = 29837664. Its totient is φ = 27942780.

The previous prime is 28875113. The next prime is 28875169. The reversal of 28875167 is 76157882.

It is not a de Polignac number, because 28875167 - 2⁶ = 28875103 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 (28875169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14063 + ... + 15984.

It is an arithmetic number, because the mean of its divisors is an integer number (4972944).

Almost surely, 2^28875167 is an apocalyptic number.

28875167 is a deficient number, since it is larger than the sum of its proper divisors (962497).

28875167 is an equidigital number, since it uses as much as digits as its factorization.

28875167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30109 (or 30078 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The square root of 28875167 is about 5373.5618541150. The cubic root of 28875167 is about 306.7902134263.

The spelling of 28875167 in words is "twenty-eight million, eight hundred seventy-five thousand, one hundred sixty-seven".