85075666 has 32 divisors (see below), whose sum is σ = 144789120. Its totient is φ = 37196544.

The previous prime is 85075621. The next prime is 85075717. The reversal of 85075666 is 66657058.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66945 + ... + 68203.

It is an arithmetic number, because the mean of its divisors is an integer number (4524660).

Almost surely, 2^85075666 is an apocalyptic number.

85075666 is a deficient number, since it is larger than the sum of its proper divisors (59713454).

85075666 is a wasteful number, since it uses less digits than its factorization.

85075666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 85075666 is about 9223.6471094681. The cubic root of 85075666 is about 439.8133953898.

The spelling of 85075666 in words is "eighty-five million, seventy-five thousand, six hundred sixty-six".