5078985289 has 9 divisors (see below), whose sum is σ = 5908787751. Its totient is φ = 4352988360.

The previous prime is 5078985221. The next prime is 5078985343. The reversal of 5078985289 is 9825898705.

The square root of 5078985289 is 71267.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3034136889 + 2044848400 = 55083^2 + 45220^2 .

It is not a de Polignac number, because 5078985289 - 2²¹ = 5076888137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5078985689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 493779 + ... + 503959.

Almost surely, 2^5078985289 is an apocalyptic number.

5078985289 is the 71267-th square number.

5078985289 is the 35634-th centered octagonal number.

It is an amenable number.

5078985289 is a deficient number, since it is larger than the sum of its proper divisors (829802462).

5078985289 is an frugal number, since it uses more digits than its factorization.

5078985289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20376 (or 10188 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 61.

The cubic root of 5078985289 is about 1718.9331414693.

The spelling of 5078985289 in words is "five billion, seventy-eight million, nine hundred eighty-five thousand, two hundred eighty-nine".