286667666772 has 48 divisors (see below), whose sum is σ = 670827783360. Its totient is φ = 95279369472.

The previous prime is 286667666771. The next prime is 286667666911. The reversal of 286667666772 is 277666766682.

It is a junction number, because it is equal to n+sod(n) for n = 286667666697 and 286667666706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286667666771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30180328 + ... + 30189824.

It is an arithmetic number, because the mean of its divisors is an integer number (13975578820).

Almost surely, 2^286667666772 is an apocalyptic number.

It is an amenable number.

286667666772 is an abundant number, since it is smaller than the sum of its proper divisors (384160116588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

286667666772 is a wasteful number, since it uses less digits than its factorization.

286667666772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16520 (or 16518 counting only the distinct ones).

The product of its digits is 512096256, while the sum is 69.

The spelling of 286667666772 in words is "two hundred eighty-six billion, six hundred sixty-seven million, six hundred sixty-six thousand, seven hundred seventy-two".