84566204113 has 2 divisors, whose sum is σ = 84566204114. Its totient is φ = 84566204112.

The previous prime is 84566204083. The next prime is 84566204123. The reversal of 84566204113 is 31140266548.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82973954704 + 1592249409 = 288052^2 + 39903^2 .

It is a cyclic number.

It is not a de Polignac number, because 84566204113 - 2²⁵ = 84532649681 is a prime.

It is not a weakly prime, because it can be changed into another prime (84566204123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42283102056 + 42283102057.

It is an arithmetic number, because the mean of its divisors is an integer number (42283102057).

Almost surely, 2^84566204113 is an apocalyptic number.

It is an amenable number.

84566204113 is a deficient number, since it is larger than the sum of its proper divisors (1).

84566204113 is an equidigital number, since it uses as much as digits as its factorization.

84566204113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 84566204113 in words is "eighty-four billion, five hundred sixty-six million, two hundred four thousand, one hundred thirteen".