85809196 has 24 divisors (see below), whose sum is σ = 165448080. Its totient is φ = 38616000.

The previous prime is 85809167. The next prime is 85809203. The reversal of 85809196 is 69190858.

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, 5211 + ... + 14098.

It is an arithmetic number, because the mean of its divisors is an integer number (6893670).

Almost surely, 2^85809196 is an apocalyptic number.

It is an amenable number.

85809196 is a deficient number, since it is larger than the sum of its proper divisors (79638884).

85809196 is a wasteful number, since it uses less digits than its factorization.

85809196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19425 (or 19423 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 85809196 is about 9263.3253208554. The cubic root of 85809196 is about 441.0738166208.

The spelling of 85809196 in words is "eighty-five million, eight hundred nine thousand, one hundred ninety-six".