5217717865 has 8 divisors (see below), whose sum is σ = 6322051008. Its totient is φ = 4133647920.

The previous prime is 5217717863. The next prime is 5217717917. The reversal of 5217717865 is 5687177125.

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

It is not a de Polignac number, because 5217717865 - 2¹ = 5217717863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5217717863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5065231 + ... + 5066260.

It is an arithmetic number, because the mean of its divisors is an integer number (790256376).

Almost surely, 2^5217717865 is an apocalyptic number.

It is an amenable number.

5217717865 is a deficient number, since it is larger than the sum of its proper divisors (1104333143).

5217717865 is a wasteful number, since it uses less digits than its factorization.

5217717865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10131599.

The product of its digits is 823200, while the sum is 49.

The square root of 5217717865 is about 72233.7723298458. The cubic root of 5217717865 is about 1734.4436605408.

The spelling of 5217717865 in words is "five billion, two hundred seventeen million, seven hundred seventeen thousand, eight hundred sixty-five".