85011786 has 24 divisors (see below), whose sum is σ = 184965924. Its totient is φ = 28218240.

The previous prime is 85011769. The next prime is 85011791. The reversal of 85011786 is 68711058.

It can be written as a sum of positive squares in 2 ways, for example, as 84548025 + 463761 = 9195^2 + 681^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85011786.

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 11 ways as a sum of consecutive naturals, for example, 5461 + ... + 14136.

Almost surely, 2^85011786 is an apocalyptic number.

85011786 is an abundant number, since it is smaller than the sum of its proper divisors (99954138).

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

85011786 is a wasteful number, since it uses less digits than its factorization.

85011786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19846 (or 19843 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 85011786 is about 9220.1836207312. The cubic root of 85011786 is about 439.7032882509.

The spelling of 85011786 in words is "eighty-five million, eleven thousand, seven hundred eighty-six".