77668655482 has 8 divisors (see below), whose sum is σ = 127094163552. Its totient is φ = 35303934300.

The previous prime is 77668655479. The next prime is 77668655501. The reversal of 77668655482 is 28455686677.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1765196694 + ... + 1765196737.

It is an arithmetic number, because the mean of its divisors is an integer number (15886770444).

Almost surely, 2^77668655482 is an apocalyptic number.

77668655482 is a deficient number, since it is larger than the sum of its proper divisors (49425508070).

77668655482 is a wasteful number, since it uses less digits than its factorization.

77668655482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530393444.

The product of its digits is 135475200, while the sum is 64.

The spelling of 77668655482 in words is "seventy-seven billion, six hundred sixty-eight million, six hundred fifty-five thousand, four hundred eighty-two".