10085785 has 8 divisors (see below), whose sum is σ = 12135816. Its totient is φ = 8046720.

The previous prime is 10085783. The next prime is 10085791. The reversal of 10085785 is 58758001.

It can be written as a sum of positive squares in 4 ways, for example, as 419904 + 9665881 = 648^2 + 3109^2 .

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

It is not a de Polignac number, because 10085785 - 2¹ = 10085783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10085785.

It is not an unprimeable number, because it can be changed into a prime (10085783) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 556 + ... + 4525.

It is an arithmetic number, because the mean of its divisors is an integer number (1516977).

Almost surely, 2^10085785 is an apocalyptic number.

It is an amenable number.

10085785 is a deficient number, since it is larger than the sum of its proper divisors (2050031).

10085785 is an equidigital number, since it uses as much as digits as its factorization.

10085785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483.

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 10085785 is about 3175.8124944650. The cubic root of 10085785 is about 216.0577763254.

The spelling of 10085785 in words is "ten million, eighty-five thousand, seven hundred eighty-five".