85265666 has 8 divisors (see below), whose sum is σ = 129140544. Its totient is φ = 42218820.

The previous prime is 85265657. The next prime is 85265681. The reversal of 85265666 is 66656258.

It is a happy number.

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

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, 206750 + ... + 207161.

It is an arithmetic number, because the mean of its divisors is an integer number (16142568).

Almost surely, 2^85265666 is an apocalyptic number.

85265666 is a deficient number, since it is larger than the sum of its proper divisors (43874878).

85265666 is a wasteful number, since it uses less digits than its factorization.

85265666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414016.

The product of its digits is 518400, while the sum is 44.

The square root of 85265666 is about 9233.9409788021. The cubic root of 85265666 is about 440.1405645939.

The spelling of 85265666 in words is "eighty-five million, two hundred sixty-five thousand, six hundred sixty-six".