127758768 has 20 divisors (see below), whose sum is σ = 330043608. Its totient is φ = 42586240.

The previous prime is 127758733. The next prime is 127758811. The reversal of 127758768 is 867857721.

It is a self number, because there is not a number n which added to its sum of digits gives 127758768.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330773 + ... + 1330868.

Almost surely, 2^127758768 is an apocalyptic number.

It is an amenable number.

127758768 is an abundant number, since it is smaller than the sum of its proper divisors (202284840).

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

127758768 is a wasteful number, since it uses less digits than its factorization.

127758768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661652 (or 2661646 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 51.

The square root of 127758768 is about 11303.0424222861. The cubic root of 127758768 is about 503.6516236993.

The spelling of 127758768 in words is "one hundred twenty-seven million, seven hundred fifty-eight thousand, seven hundred sixty-eight".