284490866874 has 16 divisors (see below), whose sum is σ = 569164782240. Its totient is φ = 94799780880.

The previous prime is 284490866867. The next prime is 284490866887. The reversal of 284490866874 is 478668094482.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7606812 + ... + 7644119.

It is an arithmetic number, because the mean of its divisors is an integer number (35572798890).

Almost surely, 2^284490866874 is an apocalyptic number.

284490866874 is an abundant number, since it is smaller than the sum of its proper divisors (284673915366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284490866874 is a wasteful number, since it uses less digits than its factorization.

284490866874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15254045.

The product of its (nonzero) digits is 148635648, while the sum is 66.

The spelling of 284490866874 in words is "two hundred eighty-four billion, four hundred ninety million, eight hundred sixty-six thousand, eight hundred seventy-four".