77767656713104 has 10 divisors (see below), whose sum is σ = 150674834881670. Its totient is φ = 38883828356544.

The previous prime is 77767656713029. The next prime is 77767656713119. The reversal of 77767656713104 is 40131765676777.

It can be written as a sum of positive squares in only one way, i.e., 74357163763600 + 3410492949504 = 8623060^2 + 1846752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 77767656713104.

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 as a sum of consecutive naturals, namely, 2430239272269 + ... + 2430239272300.

It is an arithmetic number, because the mean of its divisors is an integer number (15067483488167).

Almost surely, 2^{77767656713104} is an apocalyptic number.

It is an amenable number.

77767656713104 is a deficient number, since it is larger than the sum of its proper divisors (72907178168566).

77767656713104 is a wasteful number, since it uses less digits than its factorization.

77767656713104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860478544577 (or 4860478544571 counting only the distinct ones).

The product of its (nonzero) digits is 217818720, while the sum is 67.

The spelling of 77767656713104 in words is "seventy-seven trillion, seven hundred sixty-seven billion, six hundred fifty-six million, seven hundred thirteen thousand, one hundred four".