378948235847 has 2 divisors, whose sum is σ = 378948235848. Its totient is φ = 378948235846.

The previous prime is 378948235817. The next prime is 378948235931. The reversal of 378948235847 is 748532849873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378948235847 - 2⁸ = 378948235591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378948235817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189474117923 + 189474117924.

It is an arithmetic number, because the mean of its divisors is an integer number (189474117924).

Almost surely, 2^378948235847 is an apocalyptic number.

378948235847 is a deficient number, since it is larger than the sum of its proper divisors (1).

378948235847 is an equidigital number, since it uses as much as digits as its factorization.

378948235847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 325140480, while the sum is 68.

The spelling of 378948235847 in words is "three hundred seventy-eight billion, nine hundred forty-eight million, two hundred thirty-five thousand, eight hundred forty-seven".