3859378847 has 2 divisors, whose sum is σ = 3859378848. Its totient is φ = 3859378846.

The previous prime is 3859378801. The next prime is 3859378849. The reversal of 3859378847 is 7488739583.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3859378847 is a prime.

Together with 3859378849, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3859378847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3859378849) 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, 1929689423 + 1929689424.

It is an arithmetic number, because the mean of its divisors is an integer number (1929689424).

Almost surely, 2^3859378847 is an apocalyptic number.

3859378847 is a deficient number, since it is larger than the sum of its proper divisors (1).

3859378847 is an equidigital number, since it uses as much as digits as its factorization.

3859378847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40642560, while the sum is 62.

The square root of 3859378847 is about 62123.8991612729. The cubic root of 3859378847 is about 1568.5768605349.

The spelling of 3859378847 in words is "three billion, eight hundred fifty-nine million, three hundred seventy-eight thousand, eight hundred forty-seven".