127663147405 has 8 divisors (see below), whose sum is σ = 153989538552. Its totient is φ = 101601343488.

The previous prime is 127663147373. The next prime is 127663147481. The reversal of 127663147405 is 504741366721.

It can be written as a sum of positive squares in 4 ways, for example, as 925011396 + 126738136009 = 30414^2 + 356003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127663147405 - 2⁵ = 127663147373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66145744 + ... + 66147673.

It is an arithmetic number, because the mean of its divisors is an integer number (19248692319).

Almost surely, 2^127663147405 is an apocalyptic number.

It is an amenable number.

127663147405 is a deficient number, since it is larger than the sum of its proper divisors (26326391147).

127663147405 is a wasteful number, since it uses less digits than its factorization.

127663147405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132293615.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 127663147405 in words is "one hundred twenty-seven billion, six hundred sixty-three million, one hundred forty-seven thousand, four hundred five".