127893663 has 6 divisors (see below), whose sum is σ = 184735304. Its totient is φ = 85262436.

The previous prime is 127893659. The next prime is 127893673. The reversal of 127893663 is 366398721.

It is not a de Polignac number, because 127893663 - 2² = 127893659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127893673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7105195 + ... + 7105212.

Almost surely, 2^127893663 is an apocalyptic number.

127893663 is a deficient number, since it is larger than the sum of its proper divisors (56841641).

127893663 is a wasteful number, since it uses less digits than its factorization.

127893663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14210413 (or 14210410 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 127893663 is about 11309.0080466856. The cubic root of 127893663 is about 503.8288227263.

The spelling of 127893663 in words is "one hundred twenty-seven million, eight hundred ninety-three thousand, six hundred sixty-three".