36997811 has 2 divisors, whose sum is σ = 36997812. Its totient is φ = 36997810.

The previous prime is 36997801. The next prime is 36997819. The reversal of 36997811 is 11879963.

It is a strong prime.

It is an emirp because it is prime and its reverse (11879963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36997811 - 2¹⁸ = 36735667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36997819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18498905 + 18498906.

It is an arithmetic number, because the mean of its divisors is an integer number (18498906).

Almost surely, 2^36997811 is an apocalyptic number.

36997811 is a deficient number, since it is larger than the sum of its proper divisors (1).

36997811 is an equidigital number, since it uses as much as digits as its factorization.

36997811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 44.

The square root of 36997811 is about 6082.5825929452. The cubic root of 36997811 is about 333.2156136533.

The spelling of 36997811 in words is "thirty-six million, nine hundred ninety-seven thousand, eight hundred eleven".