85855966 has 8 divisors (see below), whose sum is σ = 147181680. Its totient is φ = 36795408.

The previous prime is 85855951. The next prime is 85855997. The reversal of 85855966 is 66955858.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3066271 + ... + 3066298.

It is an arithmetic number, because the mean of its divisors is an integer number (18397710).

Almost surely, 2^85855966 is an apocalyptic number.

85855966 is a deficient number, since it is larger than the sum of its proper divisors (61325714).

85855966 is a wasteful number, since it uses less digits than its factorization.

85855966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6132578.

The product of its digits is 2592000, while the sum is 52.

The square root of 85855966 is about 9265.8494483776. The cubic root of 85855966 is about 441.1539373094.

The spelling of 85855966 in words is "eighty-five million, eight hundred fifty-five thousand, nine hundred sixty-six".