85706018603 has 2 divisors, whose sum is σ = 85706018604. Its totient is φ = 85706018602.

The previous prime is 85706018591. The next prime is 85706018669. The reversal of 85706018603 is 30681060758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85706018603 - 2¹² = 85706014507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (85706011603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42853009301 + 42853009302.

It is an arithmetic number, because the mean of its divisors is an integer number (42853009302).

Almost surely, 2^85706018603 is an apocalyptic number.

85706018603 is a deficient number, since it is larger than the sum of its proper divisors (1).

85706018603 is an equidigital number, since it uses as much as digits as its factorization.

85706018603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 85706018603 in words is "eighty-five billion, seven hundred six million, eighteen thousand, six hundred three".