834640011 has 16 divisors (see below), whose sum is σ = 1238592000. Its totient is φ = 555486984.

The previous prime is 834639989. The next prime is 834640021. The reversal of 834640011 is 110046438.

834640011 is a `hidden beast` number, since 8 + 3 + 4 + 640 + 0 + 11 = 666.

It is not a de Polignac number, because 834640011 - 2¹¹ = 834637963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (834640021) 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 15 ways as a sum of consecutive naturals, for example, 9631 + ... + 41976.

It is an arithmetic number, because the mean of its divisors is an integer number (77412000).

Almost surely, 2^834640011 is an apocalyptic number.

834640011 is a deficient number, since it is larger than the sum of its proper divisors (403951989).

834640011 is a wasteful number, since it uses less digits than its factorization.

834640011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52215 (or 52209 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 834640011 is about 28890.1369155634. The cubic root of 834640011 is about 941.5276243328.

Adding to 834640011 its reverse (110046438), we get a palindrome (944686449).

The spelling of 834640011 in words is "eight hundred thirty-four million, six hundred forty thousand, eleven".