378269387 has 2 divisors, whose sum is σ = 378269388. Its totient is φ = 378269386.

The previous prime is 378269377. The next prime is 378269399. The reversal of 378269387 is 783962873.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378269387 - 2¹⁶ = 378203851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (378269317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189134693 + 189134694.

It is an arithmetic number, because the mean of its divisors is an integer number (189134694).

Almost surely, 2^378269387 is an apocalyptic number.

378269387 is a deficient number, since it is larger than the sum of its proper divisors (1).

378269387 is an equidigital number, since it uses as much as digits as its factorization.

378269387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 53.

The square root of 378269387 is about 19449.1487474388. The cubic root of 378269387 is about 723.2144006336.

The spelling of 378269387 in words is "three hundred seventy-eight million, two hundred sixty-nine thousand, three hundred eighty-seven".