378649067 has 2 divisors, whose sum is σ = 378649068. Its totient is φ = 378649066.

The previous prime is 378649039. The next prime is 378649091. The reversal of 378649067 is 760946873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378649067 - 2⁶ = 378649003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (378619067) 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 as a sum of consecutive naturals, namely, 189324533 + 189324534.

It is an arithmetic number, because the mean of its divisors is an integer number (189324534).

Almost surely, 2^378649067 is an apocalyptic number.

378649067 is a deficient number, since it is larger than the sum of its proper divisors (1).

378649067 is an equidigital number, since it uses as much as digits as its factorization.

378649067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 378649067 is about 19458.9071378636. The cubic root of 378649067 is about 723.4562901731.

The spelling of 378649067 in words is "three hundred seventy-eight million, six hundred forty-nine thousand, sixty-seven".