127725634706 has 4 divisors (see below), whose sum is σ = 191588452062. Its totient is φ = 63862817352.

The previous prime is 127725634681. The next prime is 127725634709. The reversal of 127725634706 is 607436527721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 69173734081 + 58551900625 = 263009^2 + 241975^2 .

It is a super-2 number, since 2×127725634706² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127725634709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31931408675 + ... + 31931408678.

Almost surely, 2^127725634706 is an apocalyptic number.

127725634706 is a deficient number, since it is larger than the sum of its proper divisors (63862817356).

127725634706 is an equidigital number, since it uses as much as digits as its factorization.

127725634706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63862817355.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 127725634706 in words is "one hundred twenty-seven billion, seven hundred twenty-five million, six hundred thirty-four thousand, seven hundred six".