12408968057877 has 20 divisors (see below), whose sum is σ = 18614413604160. Its totient is φ = 8238031780104.

The previous prime is 12408968057851. The next prime is 12408968057909. The reversal of 12408968057877 is 77875086980421.

12408968057877 is a `hidden beast` number, since 1 + 2 + 40 + 8 + 9 + 6 + 8 + 0 + 578 + 7 + 7 = 666.

It is not a de Polignac number, because 12408968057877 - 2¹⁸ = 12408967795733 is a prime.

It is a super-2 number, since 2×12408968057877² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12408960057877) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 320476743 + ... + 320515460.

It is an arithmetic number, because the mean of its divisors is an integer number (930720680208).

Almost surely, 2^{12408968057877} is an apocalyptic number.

It is an amenable number.

12408968057877 is a deficient number, since it is larger than the sum of its proper divisors (6205445546283).

12408968057877 is an equidigital number, since it uses as much as digits as its factorization.

12408968057877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640992454 (or 640992445 counting only the distinct ones).

The product of its (nonzero) digits is 379330560, while the sum is 72.

The spelling of 12408968057877 in words is "twelve trillion, four hundred eight billion, nine hundred sixty-eight million, fifty-seven thousand, eight hundred seventy-seven".