85229203705 has 4 divisors (see below), whose sum is σ = 102275044452. Its totient is φ = 68183362960.

The previous prime is 85229203693. The next prime is 85229203723. The reversal of 85229203705 is 50730292258.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22713202681 + 62516001024 = 150709^2 + 250032^2 .

It is not a de Polignac number, because 85229203705 - 2³⁵ = 50869465337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 8522920366 + ... + 8522920375.

It is an arithmetic number, because the mean of its divisors is an integer number (25568761113).

Almost surely, 2^85229203705 is an apocalyptic number.

It is an amenable number.

85229203705 is a deficient number, since it is larger than the sum of its proper divisors (17045840747).

85229203705 is a wasteful number, since it uses less digits than its factorization.

85229203705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17045840746.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 85229203705 in words is "eighty-five billion, two hundred twenty-nine million, two hundred three thousand, seven hundred five".