77786355886682 has 32 divisors (see below), whose sum is σ = 128623260355200. Its totient is φ = 35116925899968.

The previous prime is 77786355886649. The next prime is 77786355886711. The reversal of 77786355886682 is 28668855368777.

77786355886682 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 77786355886594 and 77786355886603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160408457 + ... + 160892652.

It is an arithmetic number, because the mean of its divisors is an integer number (4019476886100).

Almost surely, 2^{77786355886682} is an apocalyptic number.

77786355886682 is a deficient number, since it is larger than the sum of its proper divisors (50836904468518).

77786355886682 is a wasteful number, since it uses less digits than its factorization.

77786355886682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321301430.

The product of its digits is 45519667200, while the sum is 86.

The spelling of 77786355886682 in words is "seventy-seven trillion, seven hundred eighty-six billion, three hundred fifty-five million, eight hundred eighty-six thousand, six hundred eighty-two".