378362147 has 2 divisors, whose sum is σ = 378362148. Its totient is φ = 378362146.

The previous prime is 378362129. The next prime is 378362209. The reversal of 378362147 is 741263873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378362147 - 2²⁴ = 361584931 is a prime.

It is not a weakly prime, because it can be changed into another prime (378362947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189181073 + 189181074.

It is an arithmetic number, because the mean of its divisors is an integer number (189181074).

Almost surely, 2^378362147 is an apocalyptic number.

378362147 is a deficient number, since it is larger than the sum of its proper divisors (1).

378362147 is an equidigital number, since it uses as much as digits as its factorization.

378362147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The square root of 378362147 is about 19451.5332814665. The cubic root of 378362147 is about 723.2735118448.

The spelling of 378362147 in words is "three hundred seventy-eight million, three hundred sixty-two thousand, one hundred forty-seven".