85689804 has 12 divisors (see below), whose sum is σ = 199942904. Its totient is φ = 28563264.

The previous prime is 85689803. The next prime is 85689833. The reversal of 85689804 is 40898658.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (85689803) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3570397 + ... + 3570420.

Almost surely, 2^85689804 is an apocalyptic number.

It is an amenable number.

85689804 is an abundant number, since it is smaller than the sum of its proper divisors (114253100).

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

85689804 is a wasteful number, since it uses less digits than its factorization.

85689804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140824 (or 7140822 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 85689804 is about 9256.8787396184. The cubic root of 85689804 is about 440.8691566314.

The spelling of 85689804 in words is "eighty-five million, six hundred eighty-nine thousand, eight hundred four".