77700000000004 has 6 divisors (see below), whose sum is σ = 135975000000014. Its totient is φ = 38850000000000.

The previous prime is 77699999999989. The next prime is 77700000000101. The reversal of 77700000000004 is 40000000000777.

It can be written as a sum of positive squares in only one way, i.e., 54396672668100 + 23303327331904 = 7375410^2 + 4827352^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9712499999997 + ... + 9712500000004.

Almost surely, 2^{77700000000004} is an apocalyptic number.

It is an amenable number.

77700000000004 is a deficient number, since it is larger than the sum of its proper divisors (58275000000010).

77700000000004 is a wasteful number, since it uses less digits than its factorization.

77700000000004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19425000000005 (or 19425000000003 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 25.

The spelling of 77700000000004 in words is "seventy-seven trillion, seven hundred billion, four", and thus it is an aban number.