13367878861 has 4 divisors (see below), whose sum is σ = 13379141952. Its totient is φ = 13356615772.

The previous prime is 13367878859. The next prime is 13367878879. The reversal of 13367878861 is 16887876331.

13367878861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16887876331 = 443 ⋅38121617.

It is a cyclic number.

It is not a de Polignac number, because 13367878861 - 2¹ = 13367878859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13367878796 and 13367878805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13367878891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5629765 + ... + 5632138.

It is an arithmetic number, because the mean of its divisors is an integer number (3344785488).

Almost surely, 2^13367878861 is an apocalyptic number.

It is an amenable number.

13367878861 is a deficient number, since it is larger than the sum of its proper divisors (11263091).

13367878861 is a wasteful number, since it uses less digits than its factorization.

13367878861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11263090.

The product of its digits is 8128512, while the sum is 58.

The spelling of 13367878861 in words is "thirteen billion, three hundred sixty-seven million, eight hundred seventy-eight thousand, eight hundred sixty-one".