77703264832 has 14 divisors (see below), whose sum is σ = 154192416278. Its totient is φ = 38851632384.

The previous prime is 77703264829. The next prime is 77703264833. The reversal of 77703264832 is 23846230777.

It can be written as a sum of positive squares in only one way, i.e., 65650738176 + 12052526656 = 256224^2 + 109784^2 .

It is not an unprimeable number, because it can be changed into a prime (77703264833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607056693 + ... + 607056820.

Almost surely, 2^77703264832 is an apocalyptic number.

It is an amenable number.

77703264832 is a deficient number, since it is larger than the sum of its proper divisors (76489151446).

77703264832 is a wasteful number, since it uses less digits than its factorization.

77703264832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214113525 (or 1214113515 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 49.

The spelling of 77703264832 in words is "seventy-seven billion, seven hundred three million, two hundred sixty-four thousand, eight hundred thirty-two".