77118716 has 12 divisors (see below), whose sum is σ = 135297120. Its totient is φ = 38462400.

The previous prime is 77118673. The next prime is 77118719. The reversal of 77118716 is 61781177.

It is a self number, because there is not a number n which added to its sum of digits gives 77118716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77118719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22436 + ... + 25643.

It is an arithmetic number, because the mean of its divisors is an integer number (11274760).

Almost surely, 2^77118716 is an apocalyptic number.

It is an amenable number.

77118716 is a deficient number, since it is larger than the sum of its proper divisors (58178404).

77118716 is a wasteful number, since it uses less digits than its factorization.

77118716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48484 (or 48482 counting only the distinct ones).

The product of its digits is 16464, while the sum is 38.

The square root of 77118716 is about 8781.7262539890. The cubic root of 77118716 is about 425.6506131862.

The spelling of 77118716 in words is "seventy-seven million, one hundred eighteen thousand, seven hundred sixteen".