378047903 has 2 divisors, whose sum is σ = 378047904. Its totient is φ = 378047902.

The previous prime is 378047899. The next prime is 378047911. The reversal of 378047903 is 309740873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378047903 - 2² = 378047899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378047983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189023951 + 189023952.

It is an arithmetic number, because the mean of its divisors is an integer number (189023952).

Almost surely, 2^378047903 is an apocalyptic number.

378047903 is a deficient number, since it is larger than the sum of its proper divisors (1).

378047903 is an equidigital number, since it uses as much as digits as its factorization.

378047903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 378047903 is about 19443.4539884250. The cubic root of 378047903 is about 723.0732210960.

The spelling of 378047903 in words is "three hundred seventy-eight million, forty-seven thousand, nine hundred three".