127666883355 has 16 divisors (see below), whose sum is σ = 222836742144. Its totient is φ = 61899094880.

The previous prime is 127666883297. The next prime is 127666883387. The reversal of 127666883355 is 553388666721.

It is not a de Polignac number, because 127666883355 - 2¹⁵ = 127666850587 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386869179 + ... + 386869508.

It is an arithmetic number, because the mean of its divisors is an integer number (13927296384).

Almost surely, 2^127666883355 is an apocalyptic number.

127666883355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

127666883355 is a deficient number, since it is larger than the sum of its proper divisors (95169858789).

127666883355 is a wasteful number, since it uses less digits than its factorization.

127666883355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773738706.

The product of its digits is 43545600, while the sum is 60.

The spelling of 127666883355 in words is "one hundred twenty-seven billion, six hundred sixty-six million, eight hundred eighty-three thousand, three hundred fifty-five".