1385871853787 has 2 divisors, whose sum is σ = 1385871853788. Its totient is φ = 1385871853786.

The previous prime is 1385871853759. The next prime is 1385871853831. The reversal of 1385871853787 is 7873581785831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1385871853787 - 2¹⁴ = 1385871837403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1385871853787.

It is not a weakly prime, because it can be changed into another prime (1385871853757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692935926893 + 692935926894.

It is an arithmetic number, because the mean of its divisors is an integer number (692935926894).

Almost surely, 2^{1385871853787} is an apocalyptic number.

1385871853787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385871853787 is an equidigital number, since it uses as much as digits as its factorization.

1385871853787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 316108800, while the sum is 71.

The spelling of 1385871853787 in words is "one trillion, three hundred eighty-five billion, eight hundred seventy-one million, eight hundred fifty-three thousand, seven hundred eighty-seven".