844279595845 has 32 divisors (see below), whose sum is σ = 1209313939968. Its totient is φ = 553258134528.

The previous prime is 844279595839. The next prime is 844279595867. The reversal of 844279595845 is 548595972448.

It is a cyclic number.

It is not a de Polignac number, because 844279595845 - 2³ = 844279595837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405057 + ... + 1361113.

It is an arithmetic number, because the mean of its divisors is an integer number (37791060624).

Almost surely, 2^844279595845 is an apocalyptic number.

It is an amenable number.

844279595845 is a deficient number, since it is larger than the sum of its proper divisors (365034344123).

844279595845 is a wasteful number, since it uses less digits than its factorization.

844279595845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957189.

The product of its digits is 580608000, while the sum is 70.

The spelling of 844279595845 in words is "eight hundred forty-four billion, two hundred seventy-nine million, five hundred ninety-five thousand, eight hundred forty-five".