28260332167 has 2 divisors, whose sum is σ = 28260332168. Its totient is φ = 28260332166.

The previous prime is 28260332159. The next prime is 28260332257. The reversal of 28260332167 is 76123306282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28260332167 - 2³ = 28260332159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28260332147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14130166083 + 14130166084.

It is an arithmetic number, because the mean of its divisors is an integer number (14130166084).

Almost surely, 2^28260332167 is an apocalyptic number.

28260332167 is a deficient number, since it is larger than the sum of its proper divisors (1).

28260332167 is an equidigital number, since it uses as much as digits as its factorization.

28260332167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 28260332167 in words is "twenty-eight billion, two hundred sixty million, three hundred thirty-two thousand, one hundred sixty-seven".