84847211 has 2 divisors, whose sum is σ = 84847212. Its totient is φ = 84847210.

The previous prime is 84847193. The next prime is 84847241. The reversal of 84847211 is 11274848.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84847211 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (84847241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42423605 + 42423606.

It is an arithmetic number, because the mean of its divisors is an integer number (42423606).

Almost surely, 2^84847211 is an apocalyptic number.

84847211 is a deficient number, since it is larger than the sum of its proper divisors (1).

84847211 is an equidigital number, since it uses as much as digits as its factorization.

84847211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 35.

The square root of 84847211 is about 9211.2545833887. The cubic root of 84847211 is about 439.4193632442.

It can be divided in two parts, 84847 and 211, that added together give a palindrome (85058).

The spelling of 84847211 in words is "eighty-four million, eight hundred forty-seven thousand, two hundred eleven".