85867374113 has 2 divisors, whose sum is σ = 85867374114. Its totient is φ = 85867374112.

The previous prime is 85867374023. The next prime is 85867374143. The reversal of 85867374113 is 31147376858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61153333264 + 24714040849 = 247292^2 + 157207^2 .

It is a cyclic number.

It is not a de Polignac number, because 85867374113 - 2¹⁰ = 85867373089 is a prime.

It is not a weakly prime, because it can be changed into another prime (85867374143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42933687056 + 42933687057.

It is an arithmetic number, because the mean of its divisors is an integer number (42933687057).

Almost surely, 2^85867374113 is an apocalyptic number.

It is an amenable number.

85867374113 is a deficient number, since it is larger than the sum of its proper divisors (1).

85867374113 is an equidigital number, since it uses as much as digits as its factorization.

85867374113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 53.

The spelling of 85867374113 in words is "eighty-five billion, eight hundred sixty-seven million, three hundred seventy-four thousand, one hundred thirteen".