12608787766 has 16 divisors (see below), whose sum is σ = 20212883856. Its totient is φ = 5878091776.

The previous prime is 12608787757. The next prime is 12608787781. The reversal of 12608787766 is 66778780621.

It is a self number, because there is not a number n which added to its sum of digits gives 12608787766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1729291 + ... + 1736566.

It is an arithmetic number, because the mean of its divisors is an integer number (1263305241).

Almost surely, 2^12608787766 is an apocalyptic number.

12608787766 is a deficient number, since it is larger than the sum of its proper divisors (7604096090).

12608787766 is a wasteful number, since it uses less digits than its factorization.

12608787766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465983.

The product of its (nonzero) digits is 9483264, while the sum is 58.

The spelling of 12608787766 in words is "twelve billion, six hundred eight million, seven hundred eighty-seven thousand, seven hundred sixty-six".