378068947 has 2 divisors, whose sum is σ = 378068948. Its totient is φ = 378068946.

The previous prime is 378068941. The next prime is 378069023. The reversal of 378068947 is 749860873.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378068947 - 2⁷ = 378068819 is a prime.

It is a super-2 number, since 2×378068947² = 285872257371377618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 378068894 and 378068903.

It is not a weakly prime, because it can be changed into another prime (378068941) 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, 189034473 + 189034474.

It is an arithmetic number, because the mean of its divisors is an integer number (189034474).

Almost surely, 2^378068947 is an apocalyptic number.

378068947 is a deficient number, since it is larger than the sum of its proper divisors (1).

378068947 is an equidigital number, since it uses as much as digits as its factorization.

378068947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 378068947 is about 19443.9951398883. The cubic root of 378068947 is about 723.0866374474.

It can be divided in two parts, 3780 and 68947, that added together give a palindrome (72727).

The spelling of 378068947 in words is "three hundred seventy-eight million, sixty-eight thousand, nine hundred forty-seven".