284492438887 has 4 divisors (see below), whose sum is σ = 284508816760. Its totient is φ = 284476061016.

The previous prime is 284492438869. The next prime is 284492438897. The reversal of 284492438887 is 788834294482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 284492438887 - 2¹⁹ = 284491914599 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 (284492438897) 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, 8162853 + ... + 8197630.

It is an arithmetic number, because the mean of its divisors is an integer number (71127204190).

Almost surely, 2^284492438887 is an apocalyptic number.

284492438887 is a deficient number, since it is larger than the sum of its proper divisors (16377873).

284492438887 is a wasteful number, since it uses less digits than its factorization.

284492438887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16377872.

The product of its digits is 198180864, while the sum is 67.

The spelling of 284492438887 in words is "two hundred eighty-four billion, four hundred ninety-two million, four hundred thirty-eight thousand, eight hundred eighty-seven".