382788667 has 2 divisors, whose sum is σ = 382788668. Its totient is φ = 382788666.

The previous prime is 382788647. The next prime is 382788697. The reversal of 382788667 is 766887283.

It is a weak prime.

It is an emirp because it is prime and its reverse (766887283) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-382788667 is a prime.

It is not a weakly prime, because it can be changed into another prime (382788607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191394333 + 191394334.

It is an arithmetic number, because the mean of its divisors is an integer number (191394334).

Almost surely, 2^382788667 is an apocalyptic number.

382788667 is a deficient number, since it is larger than the sum of its proper divisors (1).

382788667 is an equidigital number, since it uses as much as digits as its factorization.

382788667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5419008, while the sum is 55.

The square root of 382788667 is about 19564.9857398364. The cubic root of 382788667 is about 726.0831479974.

The spelling of 382788667 in words is "three hundred eighty-two million, seven hundred eighty-eight thousand, six hundred sixty-seven".