838468717 has 2 divisors, whose sum is σ = 838468718. Its totient is φ = 838468716.

The previous prime is 838468699. The next prime is 838468769. The reversal of 838468717 is 717864838.

838468717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (838468769) can be obtained adding 838468717 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454073481 + 384395236 = 21309^2 + 19606^2 .

It is a cyclic number.

It is not a de Polignac number, because 838468717 - 2²³ = 830080109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (838468517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419234358 + 419234359.

It is an arithmetic number, because the mean of its divisors is an integer number (419234359).

Almost surely, 2^838468717 is an apocalyptic number.

It is an amenable number.

838468717 is a deficient number, since it is larger than the sum of its proper divisors (1).

838468717 is an equidigital number, since it uses as much as digits as its factorization.

838468717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 52.

The square root of 838468717 is about 28956.3243005738. The cubic root of 838468717 is about 942.9651040954.

The spelling of 838468717 in words is "eight hundred thirty-eight million, four hundred sixty-eight thousand, seven hundred seventeen".