23587566878447 has 16 divisors (see below), whose sum is σ = 27711444418560. Its totient is φ = 19793635960800.

The previous prime is 23587566878429. The next prime is 23587566878453. The reversal of 23587566878447 is 74487866578532.

It is not a de Polignac number, because 23587566878447 - 2¹⁰ = 23587566877423 is a prime.

It is a super-2 number, since 2×23587566878447² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23587566878947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26914754 + ... + 27777312.

It is an arithmetic number, because the mean of its divisors is an integer number (1731965276160).

Almost surely, 2^{23587566878447} is an apocalyptic number.

23587566878447 is a deficient number, since it is larger than the sum of its proper divisors (4123877540113).

23587566878447 is a wasteful number, since it uses less digits than its factorization.

23587566878447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053814.

The product of its digits is 15173222400, while the sum is 80.

The spelling of 23587566878447 in words is "twenty-three trillion, five hundred eighty-seven billion, five hundred sixty-six million, eight hundred seventy-eight thousand, four hundred forty-seven".