378650674067771 has 16 divisors (see below), whose sum is σ = 432807235338240. Its totient is φ = 324510016815360.

The previous prime is 378650674067723. The next prime is 378650674067779. The reversal of 378650674067771 is 177760476056873.

It is a cyclic number.

It is not a de Polignac number, because 378650674067771 - 2⁴⁶ = 308281929890107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378650674067779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4206390155 + ... + 4206480171.

It is an arithmetic number, because the mean of its divisors is an integer number (27050452208640).

Almost surely, 2^{378650674067771} is an apocalyptic number.

378650674067771 is a deficient number, since it is larger than the sum of its proper divisors (54156561270469).

378650674067771 is an equidigital number, since it uses as much as digits as its factorization.

378650674067771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171674.

The product of its (nonzero) digits is 1742549760, while the sum is 74.

The spelling of 378650674067771 in words is "three hundred seventy-eight trillion, six hundred fifty billion, six hundred seventy-four million, sixty-seven thousand, seven hundred seventy-one".