127968797 has 4 divisors (see below), whose sum is σ = 139602336. Its totient is φ = 116335260.

The previous prime is 127968769. The next prime is 127968811. The reversal of 127968797 is 797869721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 127968797 - 2¹² = 127964701 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 (127967797) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5816753 + ... + 5816774.

It is an arithmetic number, because the mean of its divisors is an integer number (34900584).

Almost surely, 2^127968797 is an apocalyptic number.

It is an amenable number.

127968797 is a deficient number, since it is larger than the sum of its proper divisors (11633539).

127968797 is a wasteful number, since it uses less digits than its factorization.

127968797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11633538.

The product of its digits is 2667168, while the sum is 56.

The square root of 127968797 is about 11312.3294241283. The cubic root of 127968797 is about 503.9274652585.

The spelling of 127968797 in words is "one hundred twenty-seven million, nine hundred sixty-eight thousand, seven hundred ninety-seven".