286922820338 has 54 divisors (see below), whose sum is σ = 550414282383. Its totient is φ = 111765386040.

The previous prime is 286922820227. The next prime is 286922820341. The reversal of 286922820338 is 833028229682.

It can be written as a sum of positive squares in only one way, i.e., 143461410169 + 143461410169 = 378763^2 + 378763^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=378763.

It is a self number, because there is not a number n which added to its sum of digits gives 286922820338.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 58327043 + ... + 58331961.

Almost surely, 2^286922820338 is an apocalyptic number.

286922820338 is a deficient number, since it is larger than the sum of its proper divisors (263491462045).

286922820338 is an frugal number, since it uses more digits than its factorization.

286922820338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9876 (or 4939 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 286922820338 in words is "two hundred eighty-six billion, nine hundred twenty-two million, eight hundred twenty thousand, three hundred thirty-eight".