378386667 has 16 divisors (see below), whose sum is σ = 568254880. Its totient is φ = 248800896.

The previous prime is 378386609. The next prime is 378386669. The reversal of 378386667 is 766683873.

It is not a de Polignac number, because 378386667 - 2²³ = 369998059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378386669) 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 15 ways as a sum of consecutive naturals, for example, 94018 + ... + 97959.

It is an arithmetic number, because the mean of its divisors is an integer number (35515930).

Almost surely, 2^378386667 is an apocalyptic number.

378386667 is a deficient number, since it is larger than the sum of its proper divisors (189868213).

378386667 is a wasteful number, since it uses less digits than its factorization.

378386667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192059 (or 192053 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 378386667 is about 19452.1635557590. The cubic root of 378386667 is about 723.2891355742.

The spelling of 378386667 in words is "three hundred seventy-eight million, three hundred eighty-six thousand, six hundred sixty-seven".