378745099 has 2 divisors, whose sum is σ = 378745100. Its totient is φ = 378745098.

The previous prime is 378745063. The next prime is 378745109. The reversal of 378745099 is 990547873.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378745099 is a prime.

It is not a weakly prime, because it can be changed into another prime (378745009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189372549 + 189372550.

It is an arithmetic number, because the mean of its divisors is an integer number (189372550).

Almost surely, 2^378745099 is an apocalyptic number.

378745099 is a deficient number, since it is larger than the sum of its proper divisors (1).

378745099 is an equidigital number, since it uses as much as digits as its factorization.

378745099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 378745099 is about 19461.3745403556. The cubic root of 378745099 is about 723.5174453763.

The spelling of 378745099 in words is "three hundred seventy-eight million, seven hundred forty-five thousand, ninety-nine".