378224479 has 4 divisors (see below), whose sum is σ = 378263376. Its totient is φ = 378185584.

The previous prime is 378224477. The next prime is 378224519. The reversal of 378224479 is 974422873.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 378224479 - 2¹ = 378224477 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 (378224477) 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, 9702 + ... + 29164.

It is an arithmetic number, because the mean of its divisors is an integer number (94565844).

Almost surely, 2^378224479 is an apocalyptic number.

378224479 is a deficient number, since it is larger than the sum of its proper divisors (38897).

378224479 is a wasteful number, since it uses less digits than its factorization.

378224479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38896.

The product of its digits is 677376, while the sum is 46.

The square root of 378224479 is about 19447.9942153426. The cubic root of 378224479 is about 723.1857795866.

The spelling of 378224479 in words is "three hundred seventy-eight million, two hundred twenty-four thousand, four hundred seventy-nine".