847224515349 has 12 divisors (see below), whose sum is σ = 1295755141356. Its totient is φ = 531591852672.

The previous prime is 847224515327. The next prime is 847224515351. The reversal of 847224515349 is 943515422748.

It is a happy number.

847224515349 is a `hidden beast` number, since 8 + 4 + 72 + 24 + 515 + 34 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 522772380900 + 324452134449 = 723030^2 + 569607^2 .

It is not a de Polignac number, because 847224515349 - 2²⁷ = 847090297621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 847224515295 and 847224515304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847224515309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2768707414 + ... + 2768707719.

It is an arithmetic number, because the mean of its divisors is an integer number (107979595113).

Almost surely, 2^847224515349 is an apocalyptic number.

It is an amenable number.

847224515349 is a deficient number, since it is larger than the sum of its proper divisors (448530626007).

847224515349 is a wasteful number, since it uses less digits than its factorization.

847224515349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537415156 (or 5537415153 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 847224515349 in words is "eight hundred forty-seven billion, two hundred twenty-four million, five hundred fifteen thousand, three hundred forty-nine".