5127705663 has 16 divisors (see below), whose sum is σ = 6914661600. Its totient is φ = 3379708800.

The previous prime is 5127705647. The next prime is 5127705677. The reversal of 5127705663 is 3665077215.

It is a Cunningham number, because it is equal to 71608²-1.

It is not a de Polignac number, because 5127705663 - 2⁴ = 5127705647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5127705623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202893 + ... + 226761.

It is an arithmetic number, because the mean of its divisors is an integer number (432166350).

Almost surely, 2^5127705663 is an apocalyptic number.

5127705663 is a deficient number, since it is larger than the sum of its proper divisors (1786955937).

5127705663 is a wasteful number, since it uses less digits than its factorization.

5127705663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24682.

The product of its (nonzero) digits is 264600, while the sum is 42.

The square root of 5127705663 is about 71607.9999930175. Note that the first 5 decimals coincide. The cubic root of 5127705663 is about 1724.4119721413.

The spelling of 5127705663 in words is "five billion, one hundred twenty-seven million, seven hundred five thousand, six hundred sixty-three".