28566107 has 2 divisors, whose sum is σ = 28566108. Its totient is φ = 28566106.

The previous prime is 28566079. The next prime is 28566119. The reversal of 28566107 is 70166582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28566107 - 2²⁴ = 11788891 is a prime.

It is equal to p_1774457 and since 28566107 and 1774457 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (28566127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14283053 + 14283054.

It is an arithmetic number, because the mean of its divisors is an integer number (14283054).

Almost surely, 2^28566107 is an apocalyptic number.

28566107 is a deficient number, since it is larger than the sum of its proper divisors (1).

28566107 is an equidigital number, since it uses as much as digits as its factorization.

28566107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 28566107 is about 5344.7270276414. The cubic root of 28566107 is about 305.6917275050.

The spelling of 28566107 in words is "twenty-eight million, five hundred sixty-six thousand, one hundred seven".