13776078857759 has 4 divisors (see below), whose sum is σ = 13787549365920. Its totient is φ = 13764608349600.

The previous prime is 13776078857743. The next prime is 13776078857789. The reversal of 13776078857759 is 95775887067731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13776078857759 - 2⁴ = 13776078857743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13776078857789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5735252279 + ... + 5735254680.

It is an arithmetic number, because the mean of its divisors is an integer number (3446887341480).

Almost surely, 2^{13776078857759} is an apocalyptic number.

13776078857759 is a deficient number, since it is larger than the sum of its proper divisors (11470508161).

13776078857759 is a wasteful number, since it uses less digits than its factorization.

13776078857759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11470508160.

The product of its (nonzero) digits is 4356374400, while the sum is 80.

The spelling of 13776078857759 in words is "thirteen trillion, seven hundred seventy-six billion, seventy-eight million, eight hundred fifty-seven thousand, seven hundred fifty-nine".