23077559569 has 9 divisors (see below), whose sum is σ = 23409270129. Its totient is φ = 22750490880.

The previous prime is 23077559563. The next prime is 23077559579. The reversal of 23077559569 is 96595577032.

The square root of 23077559569 is 151913.

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

It can be written as a sum of positive squares in 4 ways, for example, as 68310225 + 23009249344 = 8265^2 + 151688^2 .

It is not a de Polignac number, because 23077559569 - 2⁵ = 23077559537 is a prime.

It is a super-2 number, since 2×23077559569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23077559563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11088609 + ... + 11090689.

Almost surely, 2^23077559569 is an apocalyptic number.

23077559569 is the 151913-rd square number.

23077559569 is the 75957-th centered octagonal number.

It is an amenable number.

23077559569 is a deficient number, since it is larger than the sum of its proper divisors (331710560).

23077559569 is an frugal number, since it uses more digits than its factorization.

23077559569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308 (or 2154 counting only the distinct ones).

The product of its (nonzero) digits is 17860500, while the sum is 58.

The spelling of 23077559569 in words is "twenty-three billion, seventy-seven million, five hundred fifty-nine thousand, five hundred sixty-nine".