848863109 has 2 divisors, whose sum is σ = 848863110. Its totient is φ = 848863108.

The previous prime is 848863069. The next prime is 848863123. The reversal of 848863109 is 901368848.

848863109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 848848225 + 14884 = 29135^2 + 122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-848863109 is a prime.

It is a super-2 number, since 2×848863109² = 1441137155642291762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (848863009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424431554 + 424431555.

It is an arithmetic number, because the mean of its divisors is an integer number (424431555).

Almost surely, 2^848863109 is an apocalyptic number.

It is an amenable number.

848863109 is a deficient number, since it is larger than the sum of its proper divisors (1).

848863109 is an equidigital number, since it uses as much as digits as its factorization.

848863109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 848863109 is about 29135.2554304918. The cubic root of 848863109 is about 946.8457190552.

The spelling of 848863109 in words is "eight hundred forty-eight million, eight hundred sixty-three thousand, one hundred nine".