378442463 has 4 divisors (see below), whose sum is σ = 432505680. Its totient is φ = 324379248.

The previous prime is 378442459. The next prime is 378442487. The reversal of 378442463 is 364244873.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 378442463 - 2² = 378442459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378442463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378442453) 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 3 ways as a sum of consecutive naturals, for example, 27031598 + ... + 27031611.

It is an arithmetic number, because the mean of its divisors is an integer number (108126420).

Almost surely, 2^378442463 is an apocalyptic number.

378442463 is a deficient number, since it is larger than the sum of its proper divisors (54063217).

378442463 is an equidigital number, since it uses as much as digits as its factorization.

378442463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54063216.

The product of its digits is 387072, while the sum is 41.

The square root of 378442463 is about 19453.5976878314. The cubic root of 378442463 is about 723.3246853268.

The spelling of 378442463 in words is "three hundred seventy-eight million, four hundred forty-two thousand, four hundred sixty-three".