539288789 has 8 divisors (see below), whose sum is σ = 581010360. Its totient is φ = 497601216.

The previous prime is 539288777. The next prime is 539288821. The reversal of 539288789 is 987882935.

It can be written as a sum of positive squares in 4 ways, for example, as 43335889 + 495952900 = 6583^2 + 22270^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 539288789 - 2²⁴ = 522511573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539288749) 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, 31427 + ... + 45455.

It is an arithmetic number, because the mean of its divisors is an integer number (72626295).

Almost surely, 2^539288789 is an apocalyptic number.

It is an amenable number.

539288789 is a deficient number, since it is larger than the sum of its proper divisors (41721571).

539288789 is a wasteful number, since it uses less digits than its factorization.

539288789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16999.

The product of its digits is 8709120, while the sum is 59.

The square root of 539288789 is about 23222.5922110345. The cubic root of 539288789 is about 813.9676235294.

The spelling of 539288789 in words is "five hundred thirty-nine million, two hundred eighty-eight thousand, seven hundred eighty-nine".