380788663 has 4 divisors (see below), whose sum is σ = 380849680. Its totient is φ = 380727648.

The previous prime is 380788619. The next prime is 380788673. The reversal of 380788663 is 366887083.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380788663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380788673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19923 + ... + 34036.

It is an arithmetic number, because the mean of its divisors is an integer number (95212420).

Almost surely, 2^380788663 is an apocalyptic number.

380788663 is a deficient number, since it is larger than the sum of its proper divisors (61017).

380788663 is an equidigital number, since it uses as much as digits as its factorization.

380788663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61016.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 380788663 is about 19513.8069837743. The cubic root of 380788663 is about 724.8163866372.

The spelling of 380788663 in words is "three hundred eighty million, seven hundred eighty-eight thousand, six hundred sixty-three".