378133711 has 2 divisors, whose sum is σ = 378133712. Its totient is φ = 378133710.

The previous prime is 378133709. The next prime is 378133751. The reversal of 378133711 is 117331873.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378133711 - 2¹ = 378133709 is a prime.

Together with 378133709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378133751) 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 as a sum of consecutive naturals, namely, 189066855 + 189066856.

It is an arithmetic number, because the mean of its divisors is an integer number (189066856).

Almost surely, 2^378133711 is an apocalyptic number.

378133711 is a deficient number, since it is larger than the sum of its proper divisors (1).

378133711 is an equidigital number, since it uses as much as digits as its factorization.

378133711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 34.

The square root of 378133711 is about 19445.6604670554. The cubic root of 378133711 is about 723.1279238403.

The spelling of 378133711 in words is "three hundred seventy-eight million, one hundred thirty-three thousand, seven hundred eleven".