847672313 has 2 divisors, whose sum is σ = 847672314. Its totient is φ = 847672312.

The previous prime is 847672303. The next prime is 847672363. The reversal of 847672313 is 313276748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 565868944 + 281803369 = 23788^2 + 16787^2 .

It is a cyclic number.

It is not a de Polignac number, because 847672313 - 2⁶ = 847672249 is a prime.

It is not a weakly prime, because it can be changed into another prime (847672303) 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 as a sum of consecutive naturals, namely, 423836156 + 423836157.

It is an arithmetic number, because the mean of its divisors is an integer number (423836157).

Almost surely, 2^847672313 is an apocalyptic number.

It is an amenable number.

847672313 is a deficient number, since it is larger than the sum of its proper divisors (1).

847672313 is an equidigital number, since it uses as much as digits as its factorization.

847672313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The square root of 847672313 is about 29114.8126045833. The cubic root of 847672313 is about 946.4027627771.

The spelling of 847672313 in words is "eight hundred forty-seven million, six hundred seventy-two thousand, three hundred thirteen".