84444661099 has 8 divisors (see below), whose sum is σ = 86463074880. Its totient is φ = 82435485696.

The previous prime is 84444661001. The next prime is 84444661111. The reversal of 84444661099 is 99016644448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84444661099 - 2²⁵ = 84411106667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84444661999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2291094 + ... + 2327659.

It is an arithmetic number, because the mean of its divisors is an integer number (10807884360).

Almost surely, 2^84444661099 is an apocalyptic number.

84444661099 is a deficient number, since it is larger than the sum of its proper divisors (2018413781).

84444661099 is a wasteful number, since it uses less digits than its factorization.

84444661099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619189.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 84444661099 in words is "eighty-four billion, four hundred forty-four million, six hundred sixty-one thousand, ninety-nine".