77253332272 has 20 divisors (see below), whose sum is σ = 150669583216. Its totient is φ = 38370859200.

The previous prime is 77253332257. The next prime is 77253332293. The reversal of 77253332272 is 27223335277.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 15985443 + ... + 15990274.

Almost surely, 2^77253332272 is an apocalyptic number.

It is an amenable number.

77253332272 is a deficient number, since it is larger than the sum of its proper divisors (73416250944).

77253332272 is a wasteful number, since it uses less digits than its factorization.

77253332272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31975876 (or 31975870 counting only the distinct ones).

The product of its digits is 740880, while the sum is 43.

The spelling of 77253332272 in words is "seventy-seven billion, two hundred fifty-three million, three hundred thirty-two thousand, two hundred seventy-two".