108778638008 has 16 divisors (see below), whose sum is σ = 204047181000. Its totient is φ = 54366056416.

The previous prime is 108778637999. The next prime is 108778638037. The reversal of 108778638008 is 800836877801.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2887943 + ... + 2925366.

Almost surely, 2^108778638008 is an apocalyptic number.

It is an amenable number.

108778638008 is a deficient number, since it is larger than the sum of its proper divisors (95268542992).

108778638008 is a wasteful number, since it uses less digits than its factorization.

108778638008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815654 (or 5815650 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 108778638008 in words is "one hundred eight billion, seven hundred seventy-eight million, six hundred thirty-eight thousand, eight".