5187275665 has 64 divisors (see below), whose sum is σ = 7464441600. Its totient is φ = 3411072000.

The previous prime is 5187275659. The next prime is 5187275699. The reversal of 5187275665 is 5665727815.

It is not a de Polignac number, because 5187275665 - 2³ = 5187275657 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7871106 + ... + 7871764.

It is an arithmetic number, because the mean of its divisors is an integer number (116631900).

Almost surely, 2^5187275665 is an apocalyptic number.

5187275665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5187275665 is a deficient number, since it is larger than the sum of its proper divisors (2277165935).

5187275665 is a wasteful number, since it uses less digits than its factorization.

5187275665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its digits is 3528000, while the sum is 52.

The square root of 5187275665 is about 72022.7440812970. The cubic root of 5187275665 is about 1731.0639389768.

The spelling of 5187275665 in words is "five billion, one hundred eighty-seven million, two hundred seventy-five thousand, six hundred sixty-five".