1000850085 has 12 divisors (see below), whose sum is σ = 1734806892. Its totient is φ = 533786688.

The previous prime is 1000850051. The next prime is 1000850089. The reversal of 1000850085 is 5800580001.

It can be written as a sum of positive squares in 2 ways, for example, as 748897956 + 251952129 = 27366^2 + 15873^2 .

It is not a de Polignac number, because 1000850085 - 2⁹ = 1000849573 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000850089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11120512 + ... + 11120601.

It is an arithmetic number, because the mean of its divisors is an integer number (144567241).

Almost surely, 2^1000850085 is an apocalyptic number.

1000850085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1000850085 is a deficient number, since it is larger than the sum of its proper divisors (733956807).

1000850085 is a wasteful number, since it uses less digits than its factorization.

1000850085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22241124 (or 22241121 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 1000850085 is about 31636.2147704178. The cubic root of 1000850085 is about 1000.2832814107.

The spelling of 1000850085 in words is "one billion, eight hundred fifty thousand, eighty-five".