5389779847 has 2 divisors, whose sum is σ = 5389779848. Its totient is φ = 5389779846.

The previous prime is 5389779823. The next prime is 5389779851. The reversal of 5389779847 is 7489779835.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5389779847 - 2¹⁹ = 5389255559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5389779887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2694889923 + 2694889924.

It is an arithmetic number, because the mean of its divisors is an integer number (2694889924).

Almost surely, 2^5389779847 is an apocalyptic number.

5389779847 is a deficient number, since it is larger than the sum of its proper divisors (1).

5389779847 is an equidigital number, since it uses as much as digits as its factorization.

5389779847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 106686720, while the sum is 67.

The square root of 5389779847 is about 73415.1200162473. The cubic root of 5389779847 is about 1753.3031325026.

The spelling of 5389779847 in words is "five billion, three hundred eighty-nine million, seven hundred seventy-nine thousand, eight hundred forty-seven".