382666799 has 2 divisors, whose sum is σ = 382666800. Its totient is φ = 382666798.

The previous prime is 382666777. The next prime is 382666811. The reversal of 382666799 is 997666283.

It is a strong prime.

It is an emirp because it is prime and its reverse (997666283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 382666799 - 2²⁸ = 114231343 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (382666199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191333399 + 191333400.

It is an arithmetic number, because the mean of its divisors is an integer number (191333400).

Almost surely, 2^382666799 is an apocalyptic number.

382666799 is a deficient number, since it is larger than the sum of its proper divisors (1).

382666799 is an equidigital number, since it uses as much as digits as its factorization.

382666799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 56.

The square root of 382666799 is about 19561.8710505923. The cubic root of 382666799 is about 726.0060857254.

The spelling of 382666799 in words is "three hundred eighty-two million, six hundred sixty-six thousand, seven hundred ninety-nine".