84848689 has 2 divisors, whose sum is σ = 84848690. Its totient is φ = 84848688.

The previous prime is 84848681. The next prime is 84848719. The reversal of 84848689 is 98684848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47541025 + 37307664 = 6895^2 + 6108^2 .

It is a cyclic number.

It is not a de Polignac number, because 84848689 - 2³ = 84848681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84848681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42424344 + 42424345.

It is an arithmetic number, because the mean of its divisors is an integer number (42424345).

Almost surely, 2^84848689 is an apocalyptic number.

It is an amenable number.

84848689 is a deficient number, since it is larger than the sum of its proper divisors (1).

84848689 is an equidigital number, since it uses as much as digits as its factorization.

84848689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3538944, while the sum is 55.

The square root of 84848689 is about 9211.3348109815. The cubic root of 84848689 is about 439.4219147248.

The spelling of 84848689 in words is "eighty-four million, eight hundred forty-eight thousand, six hundred eighty-nine".