127945686855 has 16 divisors (see below), whose sum is σ = 233957827584. Its totient is φ = 58489456800.

The previous prime is 127945686833. The next prime is 127945686859. The reversal of 127945686855 is 558686549721.

It is not a de Polignac number, because 127945686855 - 2⁸ = 127945686599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127945686859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609265071 + ... + 609265280.

It is an arithmetic number, because the mean of its divisors is an integer number (14622364224).

Almost surely, 2^127945686855 is an apocalyptic number.

127945686855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

127945686855 is a deficient number, since it is larger than the sum of its proper divisors (106012140729).

127945686855 is a wasteful number, since it uses less digits than its factorization.

127945686855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218530366.

The product of its digits is 145152000, while the sum is 66.

The spelling of 127945686855 in words is "one hundred twenty-seven billion, nine hundred forty-five million, six hundred eighty-six thousand, eight hundred fifty-five".