127763965 has 32 divisors (see below), whose sum is σ = 187140096. Its totient is φ = 81829440.

The previous prime is 127763953. The next prime is 127763983. The reversal of 127763965 is 569367721.

It is not a de Polignac number, because 127763965 - 2¹¹ = 127761917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32770 + ... + 36460.

It is an arithmetic number, because the mean of its divisors is an integer number (5848128).

Almost surely, 2^127763965 is an apocalyptic number.

It is an amenable number.

127763965 is a deficient number, since it is larger than the sum of its proper divisors (59376131).

127763965 is a wasteful number, since it uses less digits than its factorization.

127763965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769.

The product of its digits is 476280, while the sum is 46.

The square root of 127763965 is about 11303.2723138036. The cubic root of 127763965 is about 503.6584528249.

The spelling of 127763965 in words is "one hundred twenty-seven million, seven hundred sixty-three thousand, nine hundred sixty-five".