866628284402 has 8 divisors (see below), whose sum is σ = 1299948556800. Its totient is φ = 433312098804.

The previous prime is 866628284399. The next prime is 866628284419. The reversal of 866628284402 is 204482826668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420902 + ... + 1382177.

It is an arithmetic number, because the mean of its divisors is an integer number (162493569600).

Almost surely, 2^866628284402 is an apocalyptic number.

866628284402 is a deficient number, since it is larger than the sum of its proper divisors (433320272398).

866628284402 is a wasteful number, since it uses less digits than its factorization.

866628284402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043400.

The product of its (nonzero) digits is 14155776, while the sum is 56.

The spelling of 866628284402 in words is "eight hundred sixty-six billion, six hundred twenty-eight million, two hundred eighty-four thousand, four hundred two".