289367965848 has 128 divisors (see below), whose sum is σ = 785747128320. Its totient is φ = 88276055040.

The previous prime is 289367965781. The next prime is 289367965883. The reversal of 289367965848 is 848569763982.

It is a self number, because there is not a number n which added to its sum of digits gives 289367965848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18286836 + ... + 18302652.

It is an arithmetic number, because the mean of its divisors is an integer number (6138649440).

Almost surely, 2^289367965848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289367965848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392873564160).

289367965848 is an abundant number, since it is smaller than the sum of its proper divisors (496379162472).

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

289367965848 is a wasteful number, since it uses less digits than its factorization.

289367965848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16337 (or 16333 counting only the distinct ones).

The product of its digits is 1254113280, while the sum is 75.

The spelling of 289367965848 in words is "two hundred eighty-nine billion, three hundred sixty-seven million, nine hundred sixty-five thousand, eight hundred forty-eight".