10010785 has 4 divisors (see below), whose sum is σ = 12012948. Its totient is φ = 8008624.

The previous prime is 10010761. The next prime is 10010789. The reversal of 10010785 is 58701001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58701001 = 167 ⋅351503.

It can be written as a sum of positive squares in 2 ways, for example, as 7376656 + 2634129 = 2716^2 + 1623^2 .

It is a cyclic number.

It is not a de Polignac number, because 10010785 - 2⁵ = 10010753 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10010789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001074 + ... + 1001083.

It is an arithmetic number, because the mean of its divisors is an integer number (3003237).

Almost surely, 2^10010785 is an apocalyptic number.

It is an amenable number.

10010785 is a deficient number, since it is larger than the sum of its proper divisors (2002163).

10010785 is an equidigital number, since it uses as much as digits as its factorization.

10010785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002162.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 10010785 is about 3163.9824588641. The cubic root of 10010785 is about 215.5208931030.

Adding to 10010785 its reverse (58701001), we get a palindrome (68711786).

The spelling of 10010785 in words is "ten million, ten thousand, seven hundred eighty-five".