127075996605 has 32 divisors (see below), whose sum is σ = 208133038080. Its totient is φ = 66171309120.

The previous prime is 127075996571. The next prime is 127075996639. The reversal of 127075996605 is 506699570721.

It is an interprime number because it is at equal distance from previous prime (127075996571) and next prime (127075996639).

It is not a de Polignac number, because 127075996605 - 2⁸ = 127075996349 is a prime.

It is a super-3 number, since 3×127075996605³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 1633176 + ... + 1709214.

It is an arithmetic number, because the mean of its divisors is an integer number (6504157440).

Almost surely, 2^127075996605 is an apocalyptic number.

127075996605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127075996605 is a deficient number, since it is larger than the sum of its proper divisors (81057041475).

127075996605 is a wasteful number, since it uses less digits than its factorization.

127075996605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78681.

The product of its (nonzero) digits is 7144200, while the sum is 57.

The spelling of 127075996605 in words is "one hundred twenty-seven billion, seventy-five million, nine hundred ninety-six thousand, six hundred five".