85811466 has 16 divisors (see below), whose sum is σ = 184824864. Its totient is φ = 26403504.

The previous prime is 85811417. The next prime is 85811471. The reversal of 85811466 is 66411858.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 7 ways as a sum of consecutive naturals, for example, 549996 + ... + 550151.

It is an arithmetic number, because the mean of its divisors is an integer number (11551554).

Almost surely, 2^85811466 is an apocalyptic number.

85811466 is an abundant number, since it is smaller than the sum of its proper divisors (99013398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85811466 is a wasteful number, since it uses less digits than its factorization.

85811466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100165.

The product of its digits is 46080, while the sum is 39.

The square root of 85811466 is about 9263.4478462395. The cubic root of 85811466 is about 441.0777059815.

The spelling of 85811466 in words is "eighty-five million, eight hundred eleven thousand, four hundred sixty-six".