378583252979 has 2 divisors, whose sum is σ = 378583252980. Its totient is φ = 378583252978.

The previous prime is 378583252967. The next prime is 378583253017. The reversal of 378583252979 is 979252385873.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (979252385873) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378583252979 is a prime.

It is not a weakly prime, because it can be changed into another prime (378583272979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189291626489 + 189291626490.

It is an arithmetic number, because the mean of its divisors is an integer number (189291626490).

Almost surely, 2^378583252979 is an apocalyptic number.

378583252979 is a deficient number, since it is larger than the sum of its proper divisors (1).

378583252979 is an equidigital number, since it uses as much as digits as its factorization.

378583252979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 228614400, while the sum is 68.

The spelling of 378583252979 in words is "three hundred seventy-eight billion, five hundred eighty-three million, two hundred fifty-two thousand, nine hundred seventy-nine".