36668287 has 2 divisors, whose sum is σ = 36668288. Its totient is φ = 36668286.

The previous prime is 36668251. The next prime is 36668297. The reversal of 36668287 is 78286663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36668287 - 2¹¹ = 36666239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36668237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18334143 + 18334144.

It is an arithmetic number, because the mean of its divisors is an integer number (18334144).

Almost surely, 2^36668287 is an apocalyptic number.

36668287 is a deficient number, since it is larger than the sum of its proper divisors (1).

36668287 is an equidigital number, since it uses as much as digits as its factorization.

36668287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 36668287 is about 6055.4345013384. The cubic root of 36668287 is about 332.2233914113.

The spelling of 36668287 in words is "thirty-six million, six hundred sixty-eight thousand, two hundred eighty-seven".