378128327 has 2 divisors, whose sum is σ = 378128328. Its totient is φ = 378128326.

The previous prime is 378128323. The next prime is 378128339. The reversal of 378128327 is 723821873.

It is a weak prime.

It is an emirp because it is prime and its reverse (723821873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378128327 - 2² = 378128323 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378128323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189064163 + 189064164.

It is an arithmetic number, because the mean of its divisors is an integer number (189064164).

Almost surely, 2^378128327 is an apocalyptic number.

378128327 is a deficient number, since it is larger than the sum of its proper divisors (1).

378128327 is an equidigital number, since it uses as much as digits as its factorization.

378128327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 41.

The square root of 378128327 is about 19445.5220295059. The cubic root of 378128327 is about 723.1244917746.

The spelling of 378128327 in words is "three hundred seventy-eight million, one hundred twenty-eight thousand, three hundred twenty-seven".