77680082184 has 32 divisors (see below), whose sum is σ = 197864363520. Its totient is φ = 25404806336.

The previous prime is 77680082159. The next prime is 77680082243. The reversal of 77680082184 is 48128008677.

It is a super-2 number, since 2×77680082184² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 30533352 + ... + 30535895.

It is an arithmetic number, because the mean of its divisors is an integer number (6183261360).

Almost surely, 2^77680082184 is an apocalyptic number.

It is an amenable number.

77680082184 is an abundant number, since it is smaller than the sum of its proper divisors (120184281336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77680082184 is a wasteful number, since it uses less digits than its factorization.

77680082184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61069309 (or 61069305 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 51.

The spelling of 77680082184 in words is "seventy-seven billion, six hundred eighty million, eighty-two thousand, one hundred eighty-four".