13778710768 has 10 divisors (see below), whose sum is σ = 26696252144. Its totient is φ = 6889355376.

The previous prime is 13778710727. The next prime is 13778710801. The reversal of 13778710768 is 86701787731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430584696 + ... + 430584727.

Almost surely, 2^13778710768 is an apocalyptic number.

It is an amenable number.

13778710768 is a deficient number, since it is larger than the sum of its proper divisors (12917541376).

13778710768 is an equidigital number, since it uses as much as digits as its factorization.

13778710768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861169431 (or 861169425 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 55.

The spelling of 13778710768 in words is "thirteen billion, seven hundred seventy-eight million, seven hundred ten thousand, seven hundred sixty-eight".