284799986369966 has 64 divisors (see below), whose sum is σ = 460788789339648. Its totient is φ = 131668704655488.

The previous prime is 284799986369923. The next prime is 284799986369971. The reversal of 284799986369966 is 669963689997482.

It is a super-2 number, since 2×284799986369966² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2640822041 + ... + 2640929883.

It is an arithmetic number, because the mean of its divisors is an integer number (7199824833432).

Almost surely, 2^{284799986369966} is an apocalyptic number.

284799986369966 is a deficient number, since it is larger than the sum of its proper divisors (175988802969682).

284799986369966 is a wasteful number, since it uses less digits than its factorization.

284799986369966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117945.

The product of its digits is 822823723008, while the sum is 101.

The spelling of 284799986369966 in words is "two hundred eighty-four trillion, seven hundred ninety-nine billion, nine hundred eighty-six million, three hundred sixty-nine thousand, nine hundred sixty-six".