289207427712 has 128 divisors (see below), whose sum is σ = 886475765760. Its totient is φ = 81828375552.

The previous prime is 289207427687. The next prime is 289207427749. The reversal of 289207427712 is 217724702982.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245428 + ... + 799155.

It is an arithmetic number, because the mean of its divisors is an integer number (6925591920).

Almost surely, 2^289207427712 is an apocalyptic number.

It is an amenable number.

289207427712 is an abundant number, since it is smaller than the sum of its proper divisors (597268338048).

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

289207427712 is a wasteful number, since it uses less digits than its factorization.

289207427712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044710 (or 1044698 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 289207427712 in words is "two hundred eighty-nine billion, two hundred seven million, four hundred twenty-seven thousand, seven hundred twelve".