378838027 has 2 divisors, whose sum is σ = 378838028. Its totient is φ = 378838026.

The previous prime is 378838007. The next prime is 378838039. The reversal of 378838027 is 720838873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378838027 - 2¹¹ = 378835979 is a prime.

It is not a weakly prime, because it can be changed into another prime (378838007) 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, 189419013 + 189419014.

It is an arithmetic number, because the mean of its divisors is an integer number (189419014).

Almost surely, 2^378838027 is an apocalyptic number.

378838027 is a deficient number, since it is larger than the sum of its proper divisors (1).

378838027 is an equidigital number, since it uses as much as digits as its factorization.

378838027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 378838027 is about 19463.7618922962. The cubic root of 378838027 is about 723.5766140460.

The spelling of 378838027 in words is "three hundred seventy-eight million, eight hundred thirty-eight thousand, twenty-seven".