848789189 has 2 divisors, whose sum is σ = 848789190. Its totient is φ = 848789188.

The previous prime is 848789129. The next prime is 848789191. The reversal of 848789189 is 981987848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 674285089 + 174504100 = 25967^2 + 13210^2 .

It is a cyclic number.

It is not a de Polignac number, because 848789189 - 2¹⁶ = 848723653 is a prime.

Together with 848789191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (848789129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424394594 + 424394595.

It is an arithmetic number, because the mean of its divisors is an integer number (424394595).

Almost surely, 2^848789189 is an apocalyptic number.

It is an amenable number.

848789189 is a deficient number, since it is larger than the sum of its proper divisors (1).

848789189 is an equidigital number, since it uses as much as digits as its factorization.

848789189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728, while the sum is 62.

The square root of 848789189 is about 29133.9868366827. The cubic root of 848789189 is about 946.8182341103.

The spelling of 848789189 in words is "eight hundred forty-eight million, seven hundred eighty-nine thousand, one hundred eighty-nine".