572776609 has 4 divisors (see below), whose sum is σ = 579677616. Its totient is φ = 565875604.

The previous prime is 572776583. The next prime is 572776637. The reversal of 572776609 is 906677275.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 572776609 - 2⁹ = 572776097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572776669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3450379 + ... + 3450544.

It is an arithmetic number, because the mean of its divisors is an integer number (144919404).

Almost surely, 2^572776609 is an apocalyptic number.

It is an amenable number.

572776609 is a deficient number, since it is larger than the sum of its proper divisors (6901007).

572776609 is an equidigital number, since it uses as much as digits as its factorization.

572776609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901006.

The product of its (nonzero) digits is 1111320, while the sum is 49.

The square root of 572776609 is about 23932.7518058413. The cubic root of 572776609 is about 830.4785593618.

The spelling of 572776609 in words is "five hundred seventy-two million, seven hundred seventy-six thousand, six hundred nine".