284490866873 has 16 divisors (see below), whose sum is σ = 287469000000. Its totient is φ = 281528486592.

The previous prime is 284490866867. The next prime is 284490866887. The reversal of 284490866873 is 378668094482.

It is a cyclic number.

It is not a de Polignac number, because 284490866873 - 2⁴ = 284490866857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284490866843) 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, 105404678 + ... + 105407376.

It is an arithmetic number, because the mean of its divisors is an integer number (17966812500).

Almost surely, 2^284490866873 is an apocalyptic number.

It is an amenable number.

284490866873 is a deficient number, since it is larger than the sum of its proper divisors (2978133127).

284490866873 is a wasteful number, since it uses less digits than its factorization.

284490866873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224.

The product of its (nonzero) digits is 111476736, while the sum is 65.

The spelling of 284490866873 in words is "two hundred eighty-four billion, four hundred ninety million, eight hundred sixty-six thousand, eight hundred seventy-three".