378066313 has 4 divisors (see below), whose sum is σ = 397964560. Its totient is φ = 358168068.

The previous prime is 378066263. The next prime is 378066347. The reversal of 378066313 is 313660873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378066313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378066413) 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 in 3 ways as a sum of consecutive naturals, for example, 9949095 + ... + 9949132.

It is an arithmetic number, because the mean of its divisors is an integer number (99491140).

Almost surely, 2^378066313 is an apocalyptic number.

It is an amenable number.

378066313 is a deficient number, since it is larger than the sum of its proper divisors (19898247).

378066313 is a wasteful number, since it uses less digits than its factorization.

378066313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19898246.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 378066313 is about 19443.9274067766. The cubic root of 378066313 is about 723.0849581994.

The spelling of 378066313 in words is "three hundred seventy-eight million, sixty-six thousand, three hundred thirteen".