85644341704 has 16 divisors (see below), whose sum is σ = 160642944000. Its totient is φ = 42806223312.

The previous prime is 85644341687. The next prime is 85644341707. The reversal of 85644341704 is 40714344658.

It is not an unprimeable number, because it can be changed into a prime (85644341707) by changing a digit.

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, 1970604 + ... + 2013595.

It is an arithmetic number, because the mean of its divisors is an integer number (10040184000).

Almost surely, 2^85644341704 is an apocalyptic number.

It is an amenable number.

85644341704 is a deficient number, since it is larger than the sum of its proper divisors (74998602296).

85644341704 is a wasteful number, since it uses less digits than its factorization.

85644341704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986892 (or 3986888 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 85644341704 in words is "eighty-five billion, six hundred forty-four million, three hundred forty-one thousand, seven hundred four".