77677108 has 6 divisors (see below), whose sum is σ = 135934946. Its totient is φ = 38838552.

The previous prime is 77677079. The next prime is 77677121. The reversal of 77677108 is 80177677.

It can be written as a sum of positive squares in only one way, i.e., 50865424 + 26811684 = 7132^2 + 5178^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9709635 + ... + 9709642.

Almost surely, 2^77677108 is an apocalyptic number.

It is an amenable number.

77677108 is a deficient number, since it is larger than the sum of its proper divisors (58257838).

77677108 is a wasteful number, since it uses less digits than its factorization.

77677108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19419281 (or 19419279 counting only the distinct ones).

The product of its (nonzero) digits is 115248, while the sum is 43.

The square root of 77677108 is about 8813.4617489384. The cubic root of 77677108 is about 426.6754769774.

The spelling of 77677108 in words is "seventy-seven million, six hundred seventy-seven thousand, one hundred eight".