379243855867 has 2 divisors, whose sum is σ = 379243855868. Its totient is φ = 379243855866.

The previous prime is 379243855847. The next prime is 379243855871. The reversal of 379243855867 is 768558342973.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379243855867 is a prime.

It is not a weakly prime, because it can be changed into another prime (379243855847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189621927933 + 189621927934.

It is an arithmetic number, because the mean of its divisors is an integer number (189621927934).

Almost surely, 2^379243855867 is an apocalyptic number.

379243855867 is a deficient number, since it is larger than the sum of its proper divisors (1).

379243855867 is an equidigital number, since it uses as much as digits as its factorization.

379243855867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 304819200, while the sum is 67.

The spelling of 379243855867 in words is "three hundred seventy-nine billion, two hundred forty-three million, eight hundred fifty-five thousand, eight hundred sixty-seven".