847112638497 has 4 divisors (see below), whose sum is σ = 1129483518000. Its totient is φ = 564741758996.

The previous prime is 847112638481. The next prime is 847112638499. The reversal of 847112638497 is 794836211748.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 847112638497 - 2⁴ = 847112638481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 847112638497.

It is not an unprimeable number, because it can be changed into a prime (847112638499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141185439747 + ... + 141185439752.

It is an arithmetic number, because the mean of its divisors is an integer number (282370879500).

Almost surely, 2^847112638497 is an apocalyptic number.

It is an amenable number.

847112638497 is a deficient number, since it is larger than the sum of its proper divisors (282370879503).

847112638497 is a wasteful number, since it uses less digits than its factorization.

847112638497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282370879502.

The product of its digits is 16257024, while the sum is 60.

The spelling of 847112638497 in words is "eight hundred forty-seven billion, one hundred twelve million, six hundred thirty-eight thousand, four hundred ninety-seven".