836640011 has 2 divisors, whose sum is σ = 836640012. Its totient is φ = 836640010.

The previous prime is 836639987. The next prime is 836640017. The reversal of 836640011 is 110046638.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 836640011 - 2¹⁰ = 836638987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (836640017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418320005 + 418320006.

It is an arithmetic number, because the mean of its divisors is an integer number (418320006).

Almost surely, 2^836640011 is an apocalyptic number.

836640011 is a deficient number, since it is larger than the sum of its proper divisors (1).

836640011 is an equidigital number, since it uses as much as digits as its factorization.

836640011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 836640011 is about 28924.7300938142. The cubic root of 836640011 is about 942.2790673250.

Adding to 836640011 its reverse (110046638), we get a palindrome (946686649).

The spelling of 836640011 in words is "eight hundred thirty-six million, six hundred forty thousand, eleven".