285979016922 has 16 divisors (see below), whose sum is σ = 571974348000. Its totient is φ = 95323619952.

The previous prime is 285979016899. The next prime is 285979016929. The reversal of 285979016922 is 229610979582.

It is not an unprimeable number, because it can be changed into a prime (285979016929) 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, 445672 + ... + 877827.

It is an arithmetic number, because the mean of its divisors is an integer number (35748396750).

Almost surely, 2^285979016922 is an apocalyptic number.

285979016922 is an abundant number, since it is smaller than the sum of its proper divisors (285995331078).

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

285979016922 is a wasteful number, since it uses less digits than its factorization.

285979016922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359517.

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 285979016922 in words is "two hundred eighty-five billion, nine hundred seventy-nine million, sixteen thousand, nine hundred twenty-two".