127477661065750 has 32 divisors (see below), whose sum is σ = 238792840812864. Its totient is φ = 50958017568000.

The previous prime is 127477661065709. The next prime is 127477661065759. The reversal of 127477661065750 is 57560166774721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127477661065759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164847771 + ... + 165619270.

It is an arithmetic number, because the mean of its divisors is an integer number (7462276275402).

Almost surely, 2^{127477661065750} is an apocalyptic number.

127477661065750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127477661065750 is a deficient number, since it is larger than the sum of its proper divisors (111315179747114).

127477661065750 is a wasteful number, since it uses less digits than its factorization.

127477661065750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330468601 (or 330468591 counting only the distinct ones).

The product of its (nonzero) digits is 103723200, while the sum is 64.

The spelling of 127477661065750 in words is "one hundred twenty-seven trillion, four hundred seventy-seven billion, six hundred sixty-one million, sixty-five thousand, seven hundred fifty".