5164757865 has 24 divisors (see below), whose sum is σ = 8997705288. Its totient is φ = 2740550400.

The previous prime is 5164757863. The next prime is 5164757891. The reversal of 5164757865 is 5687574615.

It is a happy number.

5164757865 is a `hidden beast` number, since 5 + 1 + 6 + 4 + 7 + 578 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 392158809 + 4772599056 = 19803^2 + 69084^2 .

It is not a de Polignac number, because 5164757865 - 2¹ = 5164757863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5164757861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282436 + ... + 300165.

It is an arithmetic number, because the mean of its divisors is an integer number (374904387).

Almost surely, 2^5164757865 is an apocalyptic number.

It is an amenable number.

5164757865 is a deficient number, since it is larger than the sum of its proper divisors (3832947423).

5164757865 is a wasteful number, since it uses less digits than its factorization.

5164757865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582809 (or 582806 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 54.

The square root of 5164757865 is about 71866.2498325883. The cubic root of 5164757865 is about 1728.5554744316. Note that the first 3 decimals are identical.

The spelling of 5164757865 in words is "five billion, one hundred sixty-four million, seven hundred fifty-seven thousand, eight hundred sixty-five".