84708847 has 2 divisors, whose sum is σ = 84708848. Its totient is φ = 84708846.

The previous prime is 84708769. The next prime is 84708853. The reversal of 84708847 is 74880748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84708847 - 2¹⁹ = 84184559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84708797 and 84708806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84708857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42354423 + 42354424.

It is an arithmetic number, because the mean of its divisors is an integer number (42354424).

Almost surely, 2^84708847 is an apocalyptic number.

84708847 is a deficient number, since it is larger than the sum of its proper divisors (1).

84708847 is an equidigital number, since it uses as much as digits as its factorization.

84708847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 401408, while the sum is 46.

The square root of 84708847 is about 9203.7409242112. The cubic root of 84708847 is about 439.1803732618.

The spelling of 84708847 in words is "eighty-four million, seven hundred eight thousand, eight hundred forty-seven".