36856811 has 2 divisors, whose sum is σ = 36856812. Its totient is φ = 36856810.

The previous prime is 36856801. The next prime is 36856837. The reversal of 36856811 is 11865863.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36856811 - 2⁶ = 36856747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (36856801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18428405 + 18428406.

It is an arithmetic number, because the mean of its divisors is an integer number (18428406).

Almost surely, 2^36856811 is an apocalyptic number.

36856811 is a deficient number, since it is larger than the sum of its proper divisors (1).

36856811 is an equidigital number, since it uses as much as digits as its factorization.

36856811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 38.

The square root of 36856811 is about 6070.9810574569. The cubic root of 36856811 is about 332.7917758452.

The spelling of 36856811 in words is "thirty-six million, eight hundred fifty-six thousand, eight hundred eleven".