848781317 has 2 divisors, whose sum is σ = 848781318. Its totient is φ = 848781316.

The previous prime is 848781299. The next prime is 848781347. The reversal of 848781317 is 713187848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 528586081 + 320195236 = 22991^2 + 17894^2 .

It is a cyclic number.

It is not a de Polignac number, because 848781317 - 2¹⁸ = 848519173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (848781347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424390658 + 424390659.

It is an arithmetic number, because the mean of its divisors is an integer number (424390659).

Almost surely, 2^848781317 is an apocalyptic number.

It is an amenable number.

848781317 is a deficient number, since it is larger than the sum of its proper divisors (1).

848781317 is an equidigital number, since it uses as much as digits as its factorization.

848781317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 301056, while the sum is 47.

The square root of 848781317 is about 29133.8517364251. The cubic root of 848781317 is about 946.8153070481.

The spelling of 848781317 in words is "eight hundred forty-eight million, seven hundred eighty-one thousand, three hundred seventeen".