77040112 has 40 divisors (see below), whose sum is σ = 153606240. Its totient is φ = 37416960.

The previous prime is 77040101. The next prime is 77040113. The reversal of 77040112 is 21104077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77040113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82464 + ... + 83392.

It is an arithmetic number, because the mean of its divisors is an integer number (3840156).

Almost surely, 2^77040112 is an apocalyptic number.

It is an amenable number.

77040112 is a deficient number, since it is larger than the sum of its proper divisors (76566128).

77040112 is a wasteful number, since it uses less digits than its factorization.

77040112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 77040112 is about 8777.2496831297. The cubic root of 77040112 is about 425.5059478512.

Adding to 77040112 its reverse (21104077), we get a palindrome (98144189).

The spelling of 77040112 in words is "seventy-seven million, forty thousand, one hundred twelve".