84556163 has 2 divisors, whose sum is σ = 84556164. Its totient is φ = 84556162.

The previous prime is 84556139. The next prime is 84556169. The reversal of 84556163 is 36165548.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84556163 - 2⁸ = 84555907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (84556169) 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, 42278081 + 42278082.

It is an arithmetic number, because the mean of its divisors is an integer number (42278082).

Almost surely, 2^84556163 is an apocalyptic number.

84556163 is a deficient number, since it is larger than the sum of its proper divisors (1).

84556163 is an equidigital number, since it uses as much as digits as its factorization.

84556163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 38.

The square root of 84556163 is about 9195.4425124624. The cubic root of 84556163 is about 438.9163467472.

The spelling of 84556163 in words is "eighty-four million, five hundred fifty-six thousand, one hundred sixty-three".