128063768 has 32 divisors (see below), whose sum is σ = 283888800. Its totient is φ = 52991232.

The previous prime is 128063753. The next prime is 128063777. The reversal of 128063768 is 867360821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37805 + ... + 41052.

It is an arithmetic number, because the mean of its divisors is an integer number (8871525).

Almost surely, 2^128063768 is an apocalyptic number.

It is an amenable number.

128063768 is an abundant number, since it is smaller than the sum of its proper divisors (155825032).

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

128063768 is a wasteful number, since it uses less digits than its factorization.

128063768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78899 (or 78895 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 128063768 is about 11316.5263221538. The cubic root of 128063768 is about 504.0520963197.

The spelling of 128063768 in words is "one hundred twenty-eight million, sixty-three thousand, seven hundred sixty-eight".