844616477079 has 48 divisors (see below), whose sum is σ = 1288971340800. Its totient is φ = 532106184960.

The previous prime is 844616477059. The next prime is 844616477101. The reversal of 844616477079 is 970774616448.

844616477079 is a `hidden beast` number, since 8 + 4 + 4 + 616 + 4 + 7 + 7 + 0 + 7 + 9 = 666.

It is not a de Polignac number, because 844616477079 - 2²⁷ = 844482259351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844616477059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70092447 + ... + 70104495.

It is an arithmetic number, because the mean of its divisors is an integer number (26853569600).

Almost surely, 2^844616477079 is an apocalyptic number.

844616477079 is a deficient number, since it is larger than the sum of its proper divisors (444354863721).

844616477079 is a wasteful number, since it uses less digits than its factorization.

844616477079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17972 (or 17969 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 63.

The spelling of 844616477079 in words is "eight hundred forty-four billion, six hundred sixteen million, four hundred seventy-seven thousand, seventy-nine".