77982464966 has 24 divisors (see below), whose sum is σ = 138135753360. Its totient is φ = 32342952240.

The previous prime is 77982464933. The next prime is 77982464969. The reversal of 77982464966 is 66946428977.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 77982464896 and 77982464905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77982464969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2884661 + ... + 2911568.

It is an arithmetic number, because the mean of its divisors is an integer number (5755656390).

Almost surely, 2^77982464966 is an apocalyptic number.

77982464966 is a deficient number, since it is larger than the sum of its proper divisors (60153288394).

77982464966 is a wasteful number, since it uses less digits than its factorization.

77982464966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796300 (or 5796269 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 68.

The spelling of 77982464966 in words is "seventy-seven billion, nine hundred eighty-two million, four hundred sixty-four thousand, nine hundred sixty-six".