284490866797 has 4 divisors (see below), whose sum is σ = 284491977280. Its totient is φ = 284489756316.

The previous prime is 284490866749. The next prime is 284490866801. The reversal of 284490866797 is 797668094482.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 284490866797 - 2¹⁹ = 284490342509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284490864797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46204 + ... + 755722.

It is an arithmetic number, because the mean of its divisors is an integer number (71122994320).

Almost surely, 2^284490866797 is an apocalyptic number.

It is an amenable number.

284490866797 is a deficient number, since it is larger than the sum of its proper divisors (1110483).

284490866797 is an equidigital number, since it uses as much as digits as its factorization.

284490866797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110482.

The product of its (nonzero) digits is 292626432, while the sum is 70.

The spelling of 284490866797 in words is "two hundred eighty-four billion, four hundred ninety million, eight hundred sixty-six thousand, seven hundred ninety-seven".