5687120569 has 9 divisors (see below), whose sum is σ = 6159304749. Its totient is φ = 5248744800.

The previous prime is 5687120567. The next prime is 5687120581. The reversal of 5687120569 is 9650217865.

The square root of 5687120569 is 75413.

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

5687120569 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 385533225 + 5301587344 = 19635^2 + 72812^2 .

It is not a de Polignac number, because 5687120569 - 2¹ = 5687120567 is a prime.

It is a super-2 number, since 2×5687120569² = 64686680732685767522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5687120561) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 977469 + ... + 983269.

Almost surely, 2^5687120569 is an apocalyptic number.

5687120569 is the 75413-rd square number.

5687120569 is the 37707-th centered octagonal number.

It is an amenable number.

5687120569 is a deficient number, since it is larger than the sum of its proper divisors (472184180).

5687120569 is an frugal number, since it uses more digits than its factorization.

5687120569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11628 (or 5814 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

The cubic root of 5687120569 is about 1784.9695500720.

Multiplying 5687120569 by its sum of digits (49), we get a square (278668907881 = 527891²).

The spelling of 5687120569 in words is "five billion, six hundred eighty-seven million, one hundred twenty thousand, five hundred sixty-nine".