380413778 has 4 divisors (see below), whose sum is σ = 570620670. Its totient is φ = 190206888.

The previous prime is 380413757. The next prime is 380413829. The reversal of 380413778 is 877314083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 877314083 = 15881 ⋅55243.

It can be written as a sum of positive squares in only one way, i.e., 329676649 + 50737129 = 18157^2 + 7123^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95103443 + ... + 95103446.

Almost surely, 2^380413778 is an apocalyptic number.

380413778 is a deficient number, since it is larger than the sum of its proper divisors (190206892).

380413778 is a wasteful number, since it uses less digits than its factorization.

380413778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190206891.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 380413778 is about 19504.1989838086. The cubic root of 380413778 is about 724.5784488725.

The spelling of 380413778 in words is "three hundred eighty million, four hundred thirteen thousand, seven hundred seventy-eight".