284734423897 has 16 divisors (see below), whose sum is σ = 357927410304. Its totient is φ = 221870972400.

The previous prime is 284734423891. The next prime is 284734423933. The reversal of 284734423897 is 798324437482.

It is not a de Polignac number, because 284734423897 - 2¹⁹ = 284733899609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284734423891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15271054 + ... + 15289687.

It is an arithmetic number, because the mean of its divisors is an integer number (22370463144).

Almost surely, 2^284734423897 is an apocalyptic number.

It is an amenable number.

284734423897 is a deficient number, since it is larger than the sum of its proper divisors (73192986407).

284734423897 is an equidigital number, since it uses as much as digits as its factorization.

284734423897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30560781 (or 30560759 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 61.

The spelling of 284734423897 in words is "two hundred eighty-four billion, seven hundred thirty-four million, four hundred twenty-three thousand, eight hundred ninety-seven".