13776214647 has 24 divisors (see below), whose sum is σ = 20001168000. Its totient is φ = 8430253728.

The previous prime is 13776214643. The next prime is 13776214649. The reversal of 13776214647 is 74641267731.

13776214647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13776214647 - 2² = 13776214643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13776214596 and 13776214605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13776214643) 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 23 ways as a sum of consecutive naturals, for example, 14854 + ... + 166652.

It is an arithmetic number, because the mean of its divisors is an integer number (833382000).

Almost surely, 2^13776214647 is an apocalyptic number.

13776214647 is a deficient number, since it is larger than the sum of its proper divisors (6224953353).

13776214647 is a wasteful number, since it uses less digits than its factorization.

13776214647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152007 (or 151994 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 48.

The spelling of 13776214647 in words is "thirteen billion, seven hundred seventy-six million, two hundred fourteen thousand, six hundred forty-seven".