85847380207 has 2 divisors, whose sum is σ = 85847380208. Its totient is φ = 85847380206.

The previous prime is 85847380189. The next prime is 85847380259. The reversal of 85847380207 is 70208374858.

It is an a-pointer prime, because the next prime (85847380259) can be obtained adding 85847380207 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85847380207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85847380807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42923690103 + 42923690104.

It is an arithmetic number, because the mean of its divisors is an integer number (42923690104).

Almost surely, 2^85847380207 is an apocalyptic number.

85847380207 is a deficient number, since it is larger than the sum of its proper divisors (1).

85847380207 is an equidigital number, since it uses as much as digits as its factorization.

85847380207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 85847380207 in words is "eighty-five billion, eight hundred forty-seven million, three hundred eighty thousand, two hundred seven".