85418816 has 28 divisors (see below), whose sum is σ = 193718688. Its totient is φ = 36607872.

The previous prime is 85418791. The next prime is 85418821. The reversal of 85418816 is 61881458.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 94886 + ... + 95781.

Almost surely, 2^85418816 is an apocalyptic number.

It is an amenable number.

85418816 is an abundant number, since it is smaller than the sum of its proper divisors (108299872).

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

85418816 is a wasteful number, since it uses less digits than its factorization.

85418816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190686 (or 190676 counting only the distinct ones).

The product of its digits is 61440, while the sum is 41.

The square root of 85418816 is about 9242.2300339258. The cubic root of 85418816 is about 440.4039265965.

The spelling of 85418816 in words is "eighty-five million, four hundred eighteen thousand, eight hundred sixteen".