84448000309 has 2 divisors, whose sum is σ = 84448000310. Its totient is φ = 84448000308.

The previous prime is 84448000303. The next prime is 84448000331. The reversal of 84448000309 is 90300084448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84178318225 + 269682084 = 290135^2 + 16422^2 .

It is a cyclic number.

It is not a de Polignac number, because 84448000309 - 2⁷ = 84448000181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84448000303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42224000154 + 42224000155.

It is an arithmetic number, because the mean of its divisors is an integer number (42224000155).

Almost surely, 2^84448000309 is an apocalyptic number.

It is an amenable number.

84448000309 is a deficient number, since it is larger than the sum of its proper divisors (1).

84448000309 is an equidigital number, since it uses as much as digits as its factorization.

84448000309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 84448000309 in words is "eighty-four billion, four hundred forty-eight million, three hundred nine", and thus it is an aban number.