844536463047 has 40 divisors (see below), whose sum is σ = 1277912401920. Its totient is φ = 555752523600.

The previous prime is 844536463039. The next prime is 844536463049. The reversal of 844536463047 is 740364635448.

844536463047 is a `hidden beast` number, since 8 + 4 + 4 + 536 + 4 + 63 + 0 + 47 = 666.

It is not a de Polignac number, because 844536463047 - 2³ = 844536463039 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 844536462984 and 844536463002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844536463049) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7683604 + ... + 7792742.

It is an arithmetic number, because the mean of its divisors is an integer number (31947810048).

Almost surely, 2^844536463047 is an apocalyptic number.

844536463047 is a deficient number, since it is larger than the sum of its proper divisors (433375938873).

844536463047 is a wasteful number, since it uses less digits than its factorization.

844536463047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110385 (or 110376 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 54.

The spelling of 844536463047 in words is "eight hundred forty-four billion, five hundred thirty-six million, four hundred sixty-three thousand, forty-seven".