127997794 has 16 divisors (see below), whose sum is σ = 213991200. Its totient is φ = 57063744.

The previous prime is 127997789. The next prime is 127997803. The reversal of 127997794 is 497799721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98424 + ... + 99715.

It is an arithmetic number, because the mean of its divisors is an integer number (13374450).

Almost surely, 2^127997794 is an apocalyptic number.

127997794 is a deficient number, since it is larger than the sum of its proper divisors (85993406).

127997794 is a wasteful number, since it uses less digits than its factorization.

127997794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198177.

The product of its digits is 2000376, while the sum is 55.

The square root of 127997794 is about 11313.6110062172. The cubic root of 127997794 is about 503.9655247477.

The spelling of 127997794 in words is "one hundred twenty-seven million, nine hundred ninety-seven thousand, seven hundred ninety-four".