285864160705 has 12 divisors (see below), whose sum is σ = 364402620540. Its totient is φ = 215238896384.

The previous prime is 285864160669. The next prime is 285864160727. The reversal of 285864160705 is 507061468582.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 21470747841 + 264393412864 = 146529^2 + 514192^2 .

It is not a de Polignac number, because 285864160705 - 2⁷ = 285864160577 is a prime.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 98913490 + ... + 98916379.

It is an arithmetic number, because the mean of its divisors is an integer number (30366885045).

Almost surely, 2^285864160705 is an apocalyptic number.

It is an amenable number.

285864160705 is a deficient number, since it is larger than the sum of its proper divisors (78538459835).

285864160705 is a wasteful number, since it uses less digits than its factorization.

285864160705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197829908 (or 197829891 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 285864160705 in words is "two hundred eighty-five billion, eight hundred sixty-four million, one hundred sixty thousand, seven hundred five".