13677407768 has 8 divisors (see below), whose sum is σ = 25645139580. Its totient is φ = 6838703880.

The previous prime is 13677407761. The next prime is 13677407803. The reversal of 13677407768 is 86770477631.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13677407761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 854837978 + ... + 854837993.

Almost surely, 2^13677407768 is an apocalyptic number.

It is an amenable number.

13677407768 is a deficient number, since it is larger than the sum of its proper divisors (11967731812).

13677407768 is a wasteful number, since it uses less digits than its factorization.

13677407768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709675977 (or 1709675973 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 56.

The spelling of 13677407768 in words is "thirteen billion, six hundred seventy-seven million, four hundred seven thousand, seven hundred sixty-eight".