3666799294787 has 2 divisors, whose sum is σ = 3666799294788. Its totient is φ = 3666799294786.

The previous prime is 3666799294783. The next prime is 3666799294801. The reversal of 3666799294787 is 7874929976663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3666799294787 - 2² = 3666799294783 is a prime.

It is not a weakly prime, because it can be changed into another prime (3666799294783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833399647393 + 1833399647394.

It is an arithmetic number, because the mean of its divisors is an integer number (1833399647394).

Almost surely, 2^{3666799294787} is an apocalyptic number.

3666799294787 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666799294787 is an equidigital number, since it uses as much as digits as its factorization.

3666799294787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10369949184, while the sum is 83.

The spelling of 3666799294787 in words is "three trillion, six hundred sixty-six billion, seven hundred ninety-nine million, two hundred ninety-four thousand, seven hundred eighty-seven".