28820167 has 2 divisors, whose sum is σ = 28820168. Its totient is φ = 28820166.

The previous prime is 28820149. The next prime is 28820179. The reversal of 28820167 is 76102882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28820167 - 2⁷ = 28820039 is a prime.

It is equal to p_1789180 and since 28820167 and 1789180 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28820767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14410083 + 14410084.

It is an arithmetic number, because the mean of its divisors is an integer number (14410084).

Almost surely, 2^28820167 is an apocalyptic number.

28820167 is a deficient number, since it is larger than the sum of its proper divisors (1).

28820167 is an equidigital number, since it uses as much as digits as its factorization.

28820167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 28820167 is about 5368.4417664719. The cubic root of 28820167 is about 306.5953033116.

The spelling of 28820167 in words is "twenty-eight million, eight hundred twenty thousand, one hundred sixty-seven".