84463867 has 2 divisors, whose sum is σ = 84463868. Its totient is φ = 84463866.

The previous prime is 84463861. The next prime is 84463913. The reversal of 84463867 is 76836448.

It is an a-pointer prime, because the next prime (84463913) can be obtained adding 84463867 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84463867 - 2¹⁵ = 84431099 is a prime.

It is not a weakly prime, because it can be changed into another prime (84463861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42231933 + 42231934.

It is an arithmetic number, because the mean of its divisors is an integer number (42231934).

Almost surely, 2^84463867 is an apocalyptic number.

84463867 is a deficient number, since it is larger than the sum of its proper divisors (1).

84463867 is an equidigital number, since it uses as much as digits as its factorization.

84463867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 46.

The square root of 84463867 is about 9190.4225691749. The cubic root of 84463867 is about 438.7565911083.

The spelling of 84463867 in words is "eighty-four million, four hundred sixty-three thousand, eight hundred sixty-seven".