5127995668 has 24 divisors (see below), whose sum is σ = 9632046312. Its totient is φ = 2380114944.

The previous prime is 5127995627. The next prime is 5127995669. The reversal of 5127995668 is 8665997215.

It can be written as a sum of positive squares in 4 ways, for example, as 1365154704 + 3762840964 = 36948^2 + 61342^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5127995669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511555 + ... + 521482.

It is an arithmetic number, because the mean of its divisors is an integer number (401335263).

Almost surely, 2^5127995668 is an apocalyptic number.

It is an amenable number.

5127995668 is a deficient number, since it is larger than the sum of its proper divisors (4504050644).

5127995668 is a wasteful number, since it uses less digits than its factorization.

5127995668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033131 (or 1033129 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 58.

The square root of 5127995668 is about 71610.0249127174. The cubic root of 5127995668 is about 1724.4444804208. Note that the first 4 decimals are identical.

The spelling of 5127995668 in words is "five billion, one hundred twenty-seven million, nine hundred ninety-five thousand, six hundred sixty-eight".