1379824847 has 2 divisors, whose sum is σ = 1379824848. Its totient is φ = 1379824846.

The previous prime is 1379824841. The next prime is 1379824861. The reversal of 1379824847 is 7484289731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1379824847 - 2⁸ = 1379824591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379824841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689912423 + 689912424.

It is an arithmetic number, because the mean of its divisors is an integer number (689912424).

Almost surely, 2^1379824847 is an apocalyptic number.

1379824847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379824847 is an equidigital number, since it uses as much as digits as its factorization.

1379824847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 53.

The square root of 1379824847 is about 37145.9936870721. The cubic root of 1379824847 is about 1113.2891770667.

The spelling of 1379824847 in words is "one billion, three hundred seventy-nine million, eight hundred twenty-four thousand, eight hundred forty-seven".