13423921560777 has 96 divisors (see below), whose sum is σ = 23462748503040. Its totient is φ = 6758468720640.

The previous prime is 13423921560773. The next prime is 13423921560787. The reversal of 13423921560777 is 77706512932431.

It is not a de Polignac number, because 13423921560777 - 2² = 13423921560773 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13423921560773) 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 95 ways as a sum of consecutive naturals, for example, 2772549 + ... + 5876637.

It is an arithmetic number, because the mean of its divisors is an integer number (244403630240).

Almost surely, 2^{13423921560777} is an apocalyptic number.

It is an amenable number.

13423921560777 is a deficient number, since it is larger than the sum of its proper divisors (10038826942263).

13423921560777 is a wasteful number, since it uses less digits than its factorization.

13423921560777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104223 (or 3104216 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 57.

The spelling of 13423921560777 in words is "thirteen trillion, four hundred twenty-three billion, nine hundred twenty-one million, five hundred sixty thousand, seven hundred seventy-seven".