85466805 has 16 divisors (see below), whose sum is σ = 136935360. Its totient is φ = 45519488.

The previous prime is 85466779. The next prime is 85466819. The reversal of 85466805 is 50866458.

It is a cyclic number.

It is not a de Polignac number, because 85466805 - 2¹² = 85462709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8614 + ... + 15656.

It is an arithmetic number, because the mean of its divisors is an integer number (8558460).

Almost surely, 2^85466805 is an apocalyptic number.

It is an amenable number.

85466805 is a deficient number, since it is larger than the sum of its proper divisors (51468555).

85466805 is a wasteful number, since it uses less digits than its factorization.

85466805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7860.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 85466805 is about 9244.8258501715. The cubic root of 85466805 is about 440.4863853505.

It can be divided in two parts, 8546 and 6805, that added together give a palindrome (15351).

The spelling of 85466805 in words is "eighty-five million, four hundred sixty-six thousand, eight hundred five".