378208177339 has 2 divisors, whose sum is σ = 378208177340. Its totient is φ = 378208177338.

The previous prime is 378208177307. The next prime is 378208177343. The reversal of 378208177339 is 933771802873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378208177339 - 2⁵ = 378208177307 is a prime.

It is not a weakly prime, because it can be changed into another prime (378278177339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189104088669 + 189104088670.

It is an arithmetic number, because the mean of its divisors is an integer number (189104088670).

Almost surely, 2^378208177339 is an apocalyptic number.

378208177339 is a deficient number, since it is larger than the sum of its proper divisors (1).

378208177339 is an equidigital number, since it uses as much as digits as its factorization.

378208177339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 378208177339 in words is "three hundred seventy-eight billion, two hundred eight million, one hundred seventy-seven thousand, three hundred thirty-nine".