77912032112 has 20 divisors (see below), whose sum is σ = 151190080656. Its totient is φ = 38895237120.

The previous prime is 77912032109. The next prime is 77912032127. The reversal of 77912032112 is 21123021977.

It is a happy number.

It is a congruent number.

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, 3788108 + ... + 3808619.

Almost surely, 2^77912032112 is an apocalyptic number.

It is an amenable number.

77912032112 is a deficient number, since it is larger than the sum of its proper divisors (73278048544).

77912032112 is a wasteful number, since it uses less digits than its factorization.

77912032112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7597376 (or 7597370 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The spelling of 77912032112 in words is "seventy-seven billion, nine hundred twelve million, thirty-two thousand, one hundred twelve".