85917223698 has 32 divisors (see below), whose sum is σ = 181270837440. Its totient is φ = 27072884160.

The previous prime is 85917223663. The next prime is 85917223759. The reversal of 85917223698 is 89632271958.

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 15 ways as a sum of consecutive naturals, for example, 764865 + ... + 869972.

It is an arithmetic number, because the mean of its divisors is an integer number (5664713670).

Almost surely, 2^85917223698 is an apocalyptic number.

85917223698 is an abundant number, since it is smaller than the sum of its proper divisors (95353613742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85917223698 is a wasteful number, since it uses less digits than its factorization.

85917223698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635322.

The product of its digits is 13063680, while the sum is 60.

The spelling of 85917223698 in words is "eighty-five billion, nine hundred seventeen million, two hundred twenty-three thousand, six hundred ninety-eight".