381327775 has 12 divisors (see below), whose sum is σ = 480599944. Its totient is φ = 300060000.

The previous prime is 381327773. The next prime is 381327829. The reversal of 381327775 is 577723183.

It is not a de Polignac number, because 381327775 - 2¹ = 381327773 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 (381327773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123501 + ... + 126550.

Almost surely, 2^381327775 is an apocalyptic number.

381327775 is a deficient number, since it is larger than the sum of its proper divisors (99272169).

381327775 is a wasteful number, since it uses less digits than its factorization.

381327775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250122 (or 250117 counting only the distinct ones).

The product of its digits is 246960, while the sum is 43.

The square root of 381327775 is about 19527.6157018721. The cubic root of 381327775 is about 725.1582849011.

The spelling of 381327775 in words is "three hundred eighty-one million, three hundred twenty-seven thousand, seven hundred seventy-five".