285687682084853 has 2 divisors, whose sum is σ = 285687682084854. Its totient is φ = 285687682084852.

The previous prime is 285687682084823. The next prime is 285687682084877. The reversal of 285687682084853 is 358480286786582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208356464655364 + 77331217429489 = 14434558^2 + 8793817^2 .

It is a cyclic number.

It is not a de Polignac number, because 285687682084853 - 2⁶ = 285687682084789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285687682084823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142843841042426 + 142843841042427.

It is an arithmetic number, because the mean of its divisors is an integer number (142843841042427).

Almost surely, 2^{285687682084853} is an apocalyptic number.

It is an amenable number.

285687682084853 is a deficient number, since it is larger than the sum of its proper divisors (1).

285687682084853 is an equidigital number, since it uses as much as digits as its factorization.

285687682084853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9909043200, while the sum is 80.

The spelling of 285687682084853 in words is "two hundred eighty-five trillion, six hundred eighty-seven billion, six hundred eighty-two million, eighty-four thousand, eight hundred fifty-three".