85604065 has 16 divisors (see below), whose sum is σ = 104431680. Its totient is φ = 67355200.

The previous prime is 85604059. The next prime is 85604081. The reversal of 85604065 is 56040658.

It is a de Polignac number, because none of the positive numbers 2^k-85604065 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85604065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89922 + ... + 90868.

It is an arithmetic number, because the mean of its divisors is an integer number (6526980).

Almost surely, 2^85604065 is an apocalyptic number.

It is an amenable number.

85604065 is a deficient number, since it is larger than the sum of its proper divisors (18827615).

85604065 is a wasteful number, since it uses less digits than its factorization.

85604065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 85604065 is about 9252.2464839627. The cubic root of 85604065 is about 440.7220668067.

The spelling of 85604065 in words is "eighty-five million, six hundred four thousand, sixty-five".