378045311 has 4 divisors (see below), whose sum is σ = 432051792. Its totient is φ = 324038832.

The previous prime is 378045287. The next prime is 378045331. The reversal of 378045311 is 113540873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113540873 = 1907 ⋅59539.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378045311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378045331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27003230 + ... + 27003243.

It is an arithmetic number, because the mean of its divisors is an integer number (108012948).

Almost surely, 2^378045311 is an apocalyptic number.

378045311 is a deficient number, since it is larger than the sum of its proper divisors (54006481).

378045311 is an equidigital number, since it uses as much as digits as its factorization.

378045311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54006480.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 378045311 is about 19443.3873334869. The cubic root of 378045311 is about 723.0715685629.

The spelling of 378045311 in words is "three hundred seventy-eight million, forty-five thousand, three hundred eleven".