1385785883 has 2 divisors, whose sum is σ = 1385785884. Its totient is φ = 1385785882.

The previous prime is 1385785853. The next prime is 1385785939. The reversal of 1385785883 is 3885875831.

It is an a-pointer prime, because the next prime (1385785939) can be obtained adding 1385785883 to its sum of digits (56).

It is a weak prime.

It is an emirp because it is prime and its reverse (3885875831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1385785883 - 2¹⁰ = 1385784859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1385785853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692892941 + 692892942.

It is an arithmetic number, because the mean of its divisors is an integer number (692892942).

Almost surely, 2^1385785883 is an apocalyptic number.

1385785883 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385785883 is an equidigital number, since it uses as much as digits as its factorization.

1385785883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6451200, while the sum is 56.

The square root of 1385785883 is about 37226.1451536417. The cubic root of 1385785883 is about 1114.8900621562.

The spelling of 1385785883 in words is "one billion, three hundred eighty-five million, seven hundred eighty-five thousand, eight hundred eighty-three".