378445211 has 24 divisors (see below), whose sum is σ = 433754160. Its totient is φ = 329207040.

The previous prime is 378445187. The next prime is 378445217. The reversal of 378445211 is 112544873.

It is not a de Polignac number, because 378445211 - 2⁶ = 378445147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378445217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9230351 + ... + 9230391.

It is an arithmetic number, because the mean of its divisors is an integer number (18073090).

Almost surely, 2^378445211 is an apocalyptic number.

378445211 is a deficient number, since it is larger than the sum of its proper divisors (55308949).

378445211 is an frugal number, since it uses more digits than its factorization.

378445211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 77 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 378445211 is about 19453.6683173123. The cubic root of 378445211 is about 723.3264360918.

The spelling of 378445211 in words is "three hundred seventy-eight million, four hundred forty-five thousand, two hundred eleven".