127751933886997 has 16 divisors (see below), whose sum is σ = 150712758575104. Its totient is φ = 105968783790000.

The previous prime is 127751933886977. The next prime is 127751933887001. The reversal of 127751933886997 is 799688339157721.

It is a cyclic number.

It is not a de Polignac number, because 127751933886997 - 2¹⁵ = 127751933854229 is a prime.

It is a super-2 number, since 2×127751933886997² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127751933886977) 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 in 15 ways as a sum of consecutive naturals, for example, 42253672 + ... + 45176062.

It is an arithmetic number, because the mean of its divisors is an integer number (9419547410944).

Almost surely, 2^{127751933886997} is an apocalyptic number.

It is an amenable number.

127751933886997 is a deficient number, since it is larger than the sum of its proper divisors (22960824688107).

127751933886997 is a wasteful number, since it uses less digits than its factorization.

127751933886997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123880.

The product of its digits is 8641624320, while the sum is 85.

The spelling of 127751933886997 in words is "one hundred twenty-seven trillion, seven hundred fifty-one billion, nine hundred thirty-three million, eight hundred eighty-six thousand, nine hundred ninety-seven".