378002347 has 2 divisors, whose sum is σ = 378002348. Its totient is φ = 378002346.

The previous prime is 378002257. The next prime is 378002351. The reversal of 378002347 is 743200873.

It is a strong prime.

It is an emirp because it is prime and its reverse (743200873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378002347 - 2¹¹ = 378000299 is a prime.

It is not a weakly prime, because it can be changed into another prime (378002047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189001173 + 189001174.

It is an arithmetic number, because the mean of its divisors is an integer number (189001174).

Almost surely, 2^378002347 is an apocalyptic number.

378002347 is a deficient number, since it is larger than the sum of its proper divisors (1).

378002347 is an equidigital number, since it uses as much as digits as its factorization.

378002347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 378002347 is about 19442.2824534570. The cubic root of 378002347 is about 723.0441757055.

The spelling of 378002347 in words is "three hundred seventy-eight million, two thousand, three hundred forty-seven".