289838405334772 has 36 divisors (see below), whose sum is σ = 615681581528160. Its totient is φ = 118815743799984.

The previous prime is 289838405334757. The next prime is 289838405334809. The reversal of 289838405334772 is 277433504838982.

It is a junction number, because it is equal to n+sod(n) for n = 289838405334695 and 289838405334704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32147112322 + ... + 32147121337.

It is an arithmetic number, because the mean of its divisors is an integer number (17102266153560).

Almost surely, 2^{289838405334772} is an apocalyptic number.

It is an amenable number.

289838405334772 is an abundant number, since it is smaller than the sum of its proper divisors (325843176193388).

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

289838405334772 is a wasteful number, since it uses less digits than its factorization.

289838405334772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64294233700 (or 64294233691 counting only the distinct ones).

The product of its (nonzero) digits is 1950842880, while the sum is 73.

The spelling of 289838405334772 in words is "two hundred eighty-nine trillion, eight hundred thirty-eight billion, four hundred five million, three hundred thirty-four thousand, seven hundred seventy-two".