127899341753 has 4 divisors (see below), whose sum is σ = 128374804260. Its totient is φ = 127423879248.

The previous prime is 127899341749. The next prime is 127899341767. The reversal of 127899341753 is 357143998721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 357143998721 = 17 ⋅21008470513.

It can be written as a sum of positive squares in 2 ways, for example, as 66083956624 + 61815385129 = 257068^2 + 248627^2 .

It is a cyclic number.

It is not a de Polignac number, because 127899341753 - 2² = 127899341749 is a prime.

It is a super-2 number, since 2×127899341753² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127899341692 and 127899341701.

It is not an unprimeable number, because it can be changed into a prime (127899311753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237730850 + ... + 237731387.

It is an arithmetic number, because the mean of its divisors is an integer number (32093701065).

Almost surely, 2^127899341753 is an apocalyptic number.

It is an amenable number.

127899341753 is a deficient number, since it is larger than the sum of its proper divisors (475462507).

127899341753 is an equidigital number, since it uses as much as digits as its factorization.

127899341753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475462506.

The product of its digits is 11430720, while the sum is 59.

The spelling of 127899341753 in words is "one hundred twenty-seven billion, eight hundred ninety-nine million, three hundred forty-one thousand, seven hundred fifty-three".