84448440799 has 4 divisors (see below), whose sum is σ = 84455461600. Its totient is φ = 84441420000.

The previous prime is 84448440773. The next prime is 84448440859. The reversal of 84448440799 is 99704484448.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84448440799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84448440749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3492327 + ... + 3516424.

It is an arithmetic number, because the mean of its divisors is an integer number (21113865400).

Almost surely, 2^84448440799 is an apocalyptic number.

84448440799 is a deficient number, since it is larger than the sum of its proper divisors (7020801).

84448440799 is a wasteful number, since it uses less digits than its factorization.

84448440799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020800.

The product of its (nonzero) digits is 37158912, while the sum is 61.

The spelling of 84448440799 in words is "eighty-four billion, four hundred forty-eight million, four hundred forty thousand, seven hundred ninety-nine".