11768623686 has 12 divisors (see below), whose sum is σ = 25498684692. Its totient is φ = 3922874556.

The previous prime is 11768623681. The next prime is 11768623687. The reversal of 11768623686 is 68632686711.

11768623686 is a `hidden beast` number, since 1 + 1 + 7 + 6 + 8 + 623 + 6 + 8 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11768623681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 326906196 + ... + 326906231.

It is an arithmetic number, because the mean of its divisors is an integer number (2124890391).

Almost surely, 2^11768623686 is an apocalyptic number.

11768623686 is an abundant number, since it is smaller than the sum of its proper divisors (13730061006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11768623686 is a wasteful number, since it uses less digits than its factorization.

11768623686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653812435 (or 653812432 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 11768623686 in words is "eleven billion, seven hundred sixty-eight million, six hundred twenty-three thousand, six hundred eighty-six".