127704708735457 has 24 divisors (see below), whose sum is σ = 155041466942720. Its totient is φ = 103020274828800.

The previous prime is 127704708735367. The next prime is 127704708735517. The reversal of 127704708735457 is 754537807407721.

It is not a de Polignac number, because 127704708735457 - 2⁴³ = 118908615713249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127704708735392 and 127704708735401.

It is not an unprimeable number, because it can be changed into a prime (127704708735757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107744269 + ... + 108923077.

Almost surely, 2^{127704708735457} is an apocalyptic number.

127704708735457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

127704708735457 is a deficient number, since it is larger than the sum of its proper divisors (27336758207263).

127704708735457 is a wasteful number, since it uses less digits than its factorization.

127704708735457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232401 (or 1232384 counting only the distinct ones).

The product of its (nonzero) digits is 322694400, while the sum is 67.

The spelling of 127704708735457 in words is "one hundred twenty-seven trillion, seven hundred four billion, seven hundred eight million, seven hundred thirty-five thousand, four hundred fifty-seven".