284272239217 has 8 divisors (see below), whose sum is σ = 285263858880. Its totient is φ = 283281117360.

The previous prime is 284272239211. The next prime is 284272239227. The reversal of 284272239217 is 712932272482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-284272239217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284272239211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038534 + ... + 1283392.

It is an arithmetic number, because the mean of its divisors is an integer number (35657982360).

Almost surely, 2^284272239217 is an apocalyptic number.

It is an amenable number.

284272239217 is a deficient number, since it is larger than the sum of its proper divisors (991619663).

284272239217 is a wasteful number, since it uses less digits than its factorization.

284272239217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248903.

The product of its digits is 1354752, while the sum is 49.

The spelling of 284272239217 in words is "two hundred eighty-four billion, two hundred seventy-two million, two hundred thirty-nine thousand, two hundred seventeen".