378045047 has 2 divisors, whose sum is σ = 378045048. Its totient is φ = 378045046.

The previous prime is 378045011. The next prime is 378045053. The reversal of 378045047 is 740540873.

It is a strong prime.

It is an emirp because it is prime and its reverse (740540873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378045047 - 2⁶ = 378044983 is a prime.

It is a super-2 number, since 2×378045047² = 285836115122464418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 378045047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378045067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189022523 + 189022524.

It is an arithmetic number, because the mean of its divisors is an integer number (189022524).

Almost surely, 2^378045047 is an apocalyptic number.

378045047 is a deficient number, since it is larger than the sum of its proper divisors (1).

378045047 is an equidigital number, since it uses as much as digits as its factorization.

378045047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 378045047 is about 19443.3805445452. The cubic root of 378045047 is about 723.0714002489.

The spelling of 378045047 in words is "three hundred seventy-eight million, forty-five thousand, forty-seven".