77112701272 has 48 divisors (see below), whose sum is σ = 148336860600. Its totient is φ = 37580928000.

The previous prime is 77112701269. The next prime is 77112701279. The reversal of 77112701272 is 27210721177.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77112701279) 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 in 11 ways as a sum of consecutive naturals, for example, 20022147 + ... + 20025997.

Almost surely, 2^77112701272 is an apocalyptic number.

It is an amenable number.

77112701272 is a deficient number, since it is larger than the sum of its proper divisors (71224159328).

77112701272 is a wasteful number, since it uses less digits than its factorization.

77112701272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428 (or 5383 counting only the distinct ones).

The product of its (nonzero) digits is 19208, while the sum is 37.

The spelling of 77112701272 in words is "seventy-seven billion, one hundred twelve million, seven hundred one thousand, two hundred seventy-two".