85563806 has 16 divisors (see below), whose sum is σ = 130837680. Its totient is φ = 41954880.

The previous prime is 85563773. The next prime is 85563827. The reversal of 85563806 is 60836558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77450 + ... + 78546.

It is an arithmetic number, because the mean of its divisors is an integer number (8177355).

Almost surely, 2^85563806 is an apocalyptic number.

85563806 is a deficient number, since it is larger than the sum of its proper divisors (45273874).

85563806 is a wasteful number, since it uses less digits than its factorization.

85563806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 85563806 is about 9250.0705943252. The cubic root of 85563806 is about 440.6529664593.

The spelling of 85563806 in words is "eighty-five million, five hundred sixty-three thousand, eight hundred six".