77760802141108 has 6 divisors (see below), whose sum is σ = 136081403746946. Its totient is φ = 38880401070552.

The previous prime is 77760802141069. The next prime is 77760802141123. The reversal of 77760802141108 is 80114120806777.

It can be written as a sum of positive squares in only one way, i.e., 67573036159524 + 10187765981584 = 8220282^2 + 3191828^2 .

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, 9720100267635 + ... + 9720100267642.

Almost surely, 2^{77760802141108} is an apocalyptic number.

It is an amenable number.

77760802141108 is a deficient number, since it is larger than the sum of its proper divisors (58320601605838).

77760802141108 is a wasteful number, since it uses less digits than its factorization.

77760802141108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19440200535281 (or 19440200535279 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 52.

The spelling of 77760802141108 in words is "seventy-seven trillion, seven hundred sixty billion, eight hundred two million, one hundred forty-one thousand, one hundred eight".