85442162905 has 16 divisors (see below), whose sum is σ = 112073963904. Its totient is φ = 62016196480.

The previous prime is 85442162887. The next prime is 85442162933. The reversal of 85442162905 is 50926124458.

It is a de Polignac number, because none of the positive numbers 2^k-85442162905 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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1516564 + ... + 1571893.

It is an arithmetic number, because the mean of its divisors is an integer number (7004622744).

Almost surely, 2^85442162905 is an apocalyptic number.

It is an amenable number.

85442162905 is a deficient number, since it is larger than the sum of its proper divisors (26631800999).

85442162905 is a wasteful number, since it uses less digits than its factorization.

85442162905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088976.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 85442162905 in words is "eighty-five billion, four hundred forty-two million, one hundred sixty-two thousand, nine hundred five".