85805966 has 8 divisors (see below), whose sum is σ = 128753064. Its totient is φ = 42888280.

The previous prime is 85805963. The next prime is 85805969. The reversal of 85805966 is 66950858.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85805963) and next prime (85805969).

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

It is a self number, because there is not a number n which added to its sum of digits gives 85805966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85805963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2681 + ... + 13371.

It is an arithmetic number, because the mean of its divisors is an integer number (16094133).

Almost surely, 2^85805966 is an apocalyptic number.

85805966 is a deficient number, since it is larger than the sum of its proper divisors (42947098).

85805966 is a wasteful number, since it uses less digits than its factorization.

85805966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14706.

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 85805966 is about 9263.1509757749. The cubic root of 85805966 is about 441.0682823022.

The spelling of 85805966 in words is "eighty-five million, eight hundred five thousand, nine hundred sixty-six".