289289838676 has 6 divisors (see below), whose sum is σ = 506257217690. Its totient is φ = 144644919336.

The previous prime is 289289838667. The next prime is 289289838689. The reversal of 289289838676 is 676838982982.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 285664594576 + 3625244100 = 534476^2 + 60210^2 .

It is a super-2 number, since 2×289289838676² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36161229831 + ... + 36161229838.

Almost surely, 2^289289838676 is an apocalyptic number.

It is an amenable number.

289289838676 is a deficient number, since it is larger than the sum of its proper divisors (216967379014).

289289838676 is a wasteful number, since it uses less digits than its factorization.

289289838676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72322459673 (or 72322459671 counting only the distinct ones).

The product of its digits is 1003290624, while the sum is 76.

The spelling of 289289838676 in words is "two hundred eighty-nine billion, two hundred eighty-nine million, eight hundred thirty-eight thousand, six hundred seventy-six".