378885799 has 2 divisors, whose sum is σ = 378885800. Its totient is φ = 378885798.

The previous prime is 378885779. The next prime is 378885803. The reversal of 378885799 is 997588873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378885799 - 2¹³ = 378877607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378885799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378885709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189442899 + 189442900.

It is an arithmetic number, because the mean of its divisors is an integer number (189442900).

Almost surely, 2^378885799 is an apocalyptic number.

378885799 is a deficient number, since it is larger than the sum of its proper divisors (1).

378885799 is an equidigital number, since it uses as much as digits as its factorization.

378885799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 64.

The square root of 378885799 is about 19464.9890572792. The cubic root of 378885799 is about 723.6070274388.

The spelling of 378885799 in words is "three hundred seventy-eight million, eight hundred eighty-five thousand, seven hundred ninety-nine".