85681208 has 16 divisors (see below), whose sum is σ = 163051080. Its totient is φ = 42200928.

The previous prime is 85681199. The next prime is 85681243. The reversal of 85681208 is 80218658.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79391 + ... + 80462.

Almost surely, 2^85681208 is an apocalyptic number.

It is an amenable number.

85681208 is a deficient number, since it is larger than the sum of its proper divisors (77369872).

85681208 is a wasteful number, since it uses less digits than its factorization.

85681208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159926 (or 159922 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 85681208 is about 9256.4144246031. The cubic root of 85681208 is about 440.8544141618.

The spelling of 85681208 in words is "eighty-five million, six hundred eighty-one thousand, two hundred eight".