127725460663 has 4 divisors (see below), whose sum is σ = 127726198488. Its totient is φ = 127724722840.

The previous prime is 127725460651. The next prime is 127725460717. The reversal of 127725460663 is 366064527721.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 127725460663 - 2¹⁷ = 127725329591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127725460363) 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, 47220 + ... + 507622.

It is an arithmetic number, because the mean of its divisors is an integer number (31931549622).

Almost surely, 2^127725460663 is an apocalyptic number.

127725460663 is a deficient number, since it is larger than the sum of its proper divisors (737825).

127725460663 is an equidigital number, since it uses as much as digits as its factorization.

127725460663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737824.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 127725460663 in words is "one hundred twenty-seven billion, seven hundred twenty-five million, four hundred sixty thousand, six hundred sixty-three".