85645696 has 16 divisors (see below), whose sum is σ = 170622540. Its totient is φ = 42822784.

The previous prime is 85645691. The next prime is 85645699. The reversal of 85645696 is 69654658.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85645691) by changing a digit.

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 as a sum of consecutive naturals, namely, 334426 + ... + 334681.

Almost surely, 2^85645696 is an apocalyptic number.

It is an amenable number.

85645696 is a deficient number, since it is larger than the sum of its proper divisors (84976844).

85645696 is an equidigital number, since it uses as much as digits as its factorization.

85645696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669121 (or 669109 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

The square root of 85645696 is about 9254.4959884372. The cubic root of 85645696 is about 440.7934992668.

The spelling of 85645696 in words is "eighty-five million, six hundred forty-five thousand, six hundred ninety-six".