286981394968 has 32 divisors (see below), whose sum is σ = 539737583760. Its totient is φ = 143051560960.

The previous prime is 286981394957. The next prime is 286981394981. The reversal of 286981394968 is 869493189682.

It is a self number, because there is not a number n which added to its sum of digits gives 286981394968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16559748 + ... + 16577068.

Almost surely, 2^286981394968 is an apocalyptic number.

It is an amenable number.

286981394968 is a deficient number, since it is larger than the sum of its proper divisors (252756188792).

286981394968 is a wasteful number, since it uses less digits than its factorization.

286981394968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23547 (or 23543 counting only the distinct ones).

The product of its digits is 322486272, while the sum is 73.

The spelling of 286981394968 in words is "two hundred eighty-six billion, nine hundred eighty-one million, three hundred ninety-four thousand, nine hundred sixty-eight".