127957685 has 16 divisors (see below), whose sum is σ = 163853760. Its totient is φ = 95644800.

The previous prime is 127957639. The next prime is 127957699. The reversal of 127957685 is 586759721.

It is not a de Polignac number, because 127957685 - 2²⁰ = 126909109 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2291 + ... + 16160.

It is an arithmetic number, because the mean of its divisors is an integer number (10240860).

Almost surely, 2^127957685 is an apocalyptic number.

It is an amenable number.

127957685 is a deficient number, since it is larger than the sum of its proper divisors (35896075).

127957685 is a wasteful number, since it uses less digits than its factorization.

127957685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18548.

The product of its digits is 1058400, while the sum is 50.

The square root of 127957685 is about 11311.8382679386. The cubic root of 127957685 is about 503.9128788796.

The spelling of 127957685 in words is "one hundred twenty-seven million, nine hundred fifty-seven thousand, six hundred eighty-five".