84672167 has 2 divisors, whose sum is σ = 84672168. Its totient is φ = 84672166.

The previous prime is 84672163. The next prime is 84672179. The reversal of 84672167 is 76127648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84672167 - 2² = 84672163 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84672163) 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, 42336083 + 42336084.

It is an arithmetic number, because the mean of its divisors is an integer number (42336084).

Almost surely, 2^84672167 is an apocalyptic number.

84672167 is a deficient number, since it is larger than the sum of its proper divisors (1).

84672167 is an equidigital number, since it uses as much as digits as its factorization.

84672167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 84672167 is about 9201.7480404541. The cubic root of 84672167 is about 439.1169738950.

The spelling of 84672167 in words is "eighty-four million, six hundred seventy-two thousand, one hundred sixty-seven".