5227723809 has 81 divisors (see below), whose sum is σ = 9686084499. Its totient is φ = 2707024320.

The previous prime is 5227723807. The next prime is 5227723811. The reversal of 5227723809 is 9083277225.

The square root of 5227723809 is 72303.

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

It is an interprime number because it is at equal distance from previous prime (5227723807) and next prime (5227723811).

It can be written as a sum of positive squares in only one way, i.e., 33350625 + 5194373184 = 5775^2 + 72072^2 .

It is not a de Polignac number, because 5227723809 - 2¹ = 5227723807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5227723807) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 16701837 + ... + 16702149.

Almost surely, 2^5227723809 is an apocalyptic number.

5227723809 is the 72303-rd square number.

5227723809 is the 36152-nd centered octagonal number.

It is an amenable number.

5227723809 is a deficient number, since it is larger than the sum of its proper divisors (4458360690).

5227723809 is a wasteful number, since it uses less digits than its factorization.

5227723809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The cubic root of 5227723809 is about 1735.5516586311.

The spelling of 5227723809 in words is "five billion, two hundred twenty-seven million, seven hundred twenty-three thousand, eight hundred nine".