380380643775 has 36 divisors (see below), whose sum is σ = 743240729400. Its totient is φ = 184426977600.

The previous prime is 380380643771. The next prime is 380380643791. The reversal of 380380643775 is 577346083083.

It is not a de Polignac number, because 380380643775 - 2² = 380380643771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380380643771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 76842100 + ... + 76847049.

Almost surely, 2^380380643775 is an apocalyptic number.

380380643775 is a deficient number, since it is larger than the sum of its proper divisors (362860085625).

380380643775 is a wasteful number, since it uses less digits than its factorization.

380380643775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153689176 (or 153689168 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 380380643775 in words is "three hundred eighty billion, three hundred eighty million, six hundred forty-three thousand, seven hundred seventy-five".