85917516835 has 4 divisors (see below), whose sum is σ = 103101020208. Its totient is φ = 68734013464.

The previous prime is 85917516823. The next prime is 85917516859. The reversal of 85917516835 is 53861571958.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85917516835 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85917516835.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8591751679 + ... + 8591751688.

It is an arithmetic number, because the mean of its divisors is an integer number (25775255052).

Almost surely, 2^85917516835 is an apocalyptic number.

85917516835 is a deficient number, since it is larger than the sum of its proper divisors (17183503373).

85917516835 is a wasteful number, since it uses less digits than its factorization.

85917516835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17183503372.

The product of its digits is 9072000, while the sum is 58.

The spelling of 85917516835 in words is "eighty-five billion, nine hundred seventeen million, five hundred sixteen thousand, eight hundred thirty-five".