36868187 has 2 divisors, whose sum is σ = 36868188. Its totient is φ = 36868186.

The previous prime is 36868159. The next prime is 36868213. The reversal of 36868187 is 78186863.

It is a strong prime.

It is an emirp because it is prime and its reverse (78186863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36868187 - 2⁶ = 36868123 is a prime.

It is not a weakly prime, because it can be changed into another prime (36868127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18434093 + 18434094.

It is an arithmetic number, because the mean of its divisors is an integer number (18434094).

Almost surely, 2^36868187 is an apocalyptic number.

36868187 is a deficient number, since it is larger than the sum of its proper divisors (1).

36868187 is an equidigital number, since it uses as much as digits as its factorization.

36868187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 47.

The square root of 36868187 is about 6071.9179012895. The cubic root of 36868187 is about 332.8260114876.

The spelling of 36868187 in words is "thirty-six million, eight hundred sixty-eight thousand, one hundred eighty-seven".