844382887147 has 16 divisors (see below), whose sum is σ = 866175998688. Its totient is φ = 822690086400.

The previous prime is 844382887037. The next prime is 844382887169. The reversal of 844382887147 is 741788283448.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-844382887147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (844382827147) 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 15 ways as a sum of consecutive naturals, for example, 33161473 + ... + 33186925.

It is an arithmetic number, because the mean of its divisors is an integer number (54135999918).

Almost surely, 2^844382887147 is an apocalyptic number.

844382887147 is a deficient number, since it is larger than the sum of its proper divisors (21793111541).

844382887147 is a wasteful number, since it uses less digits than its factorization.

844382887147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27390.

The product of its digits is 77070336, while the sum is 64.

The spelling of 844382887147 in words is "eight hundred forty-four billion, three hundred eighty-two million, eight hundred eighty-seven thousand, one hundred forty-seven".