13877889127779 has 8 divisors (see below), whose sum is σ = 18504568949440. Its totient is φ = 9251567695656.

The previous prime is 13877889127763. The next prime is 13877889127801. The reversal of 13877889127779 is 97772198877831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13877889127779 - 2⁴ = 13877889127763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13877889127379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89507017 + ... + 89661930.

It is an arithmetic number, because the mean of its divisors is an integer number (2313071118680).

Almost surely, 2^{13877889127779} is an apocalyptic number.

13877889127779 is a deficient number, since it is larger than the sum of its proper divisors (4626679821661).

13877889127779 is a wasteful number, since it uses less digits than its factorization.

13877889127779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179194769.

The product of its digits is 4182119424, while the sum is 84.

The spelling of 13877889127779 in words is "thirteen trillion, eight hundred seventy-seven billion, eight hundred eighty-nine million, one hundred twenty-seven thousand, seven hundred seventy-nine".