84444673 has 2 divisors, whose sum is σ = 84444674. Its totient is φ = 84444672.

The previous prime is 84444671. The next prime is 84444677. The reversal of 84444673 is 37644448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43125489 + 41319184 = 6567^2 + 6428^2 .

It is a cyclic number.

It is not a de Polignac number, because 84444673 - 2¹ = 84444671 is a prime.

Together with 84444671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (84444671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42222336 + 42222337.

It is an arithmetic number, because the mean of its divisors is an integer number (42222337).

Almost surely, 2^84444673 is an apocalyptic number.

It is an amenable number.

84444673 is a deficient number, since it is larger than the sum of its proper divisors (1).

84444673 is an equidigital number, since it uses as much as digits as its factorization.

84444673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 40.

The square root of 84444673 is about 9189.3782705905. The cubic root of 84444673 is about 438.7233534952.

The spelling of 84444673 in words is "eighty-four million, four hundred forty-four thousand, six hundred seventy-three".