378047983 has 2 divisors, whose sum is σ = 378047984. Its totient is φ = 378047982.

The previous prime is 378047977. The next prime is 378048029. The reversal of 378047983 is 389740873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378047983 - 2⁹ = 378047471 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378047903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189023991 + 189023992.

It is an arithmetic number, because the mean of its divisors is an integer number (189023992).

Almost surely, 2^378047983 is an apocalyptic number.

378047983 is a deficient number, since it is larger than the sum of its proper divisors (1).

378047983 is an equidigital number, since it uses as much as digits as its factorization.

378047983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 378047983 is about 19443.4560456725. The cubic root of 378047983 is about 723.0732721000.

The spelling of 378047983 in words is "three hundred seventy-eight million, forty-seven thousand, nine hundred eighty-three".