84228167 has 2 divisors, whose sum is σ = 84228168. Its totient is φ = 84228166.

The previous prime is 84228119. The next prime is 84228173. The reversal of 84228167 is 76182248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84228167 - 2⁶ = 84228103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84228167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84228467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42114083 + 42114084.

It is an arithmetic number, because the mean of its divisors is an integer number (42114084).

Almost surely, 2^84228167 is an apocalyptic number.

84228167 is a deficient number, since it is larger than the sum of its proper divisors (1).

84228167 is an equidigital number, since it uses as much as digits as its factorization.

84228167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 38.

The square root of 84228167 is about 9177.5904789874. The cubic root of 84228167 is about 438.3480879373.

The spelling of 84228167 in words is "eighty-four million, two hundred twenty-eight thousand, one hundred sixty-seven".