5097786865 has 24 divisors (see below), whose sum is σ = 6357340584. Its totient is φ = 3921926400.

The previous prime is 5097786839. The next prime is 5097786893. The reversal of 5097786865 is 5686877905.

It can be written as a sum of positive squares in 4 ways, for example, as 16378209 + 5081408656 = 4047^2 + 71284^2 .

It is not a de Polignac number, because 5097786865 - 2⁷ = 5097786737 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1030939 + ... + 1035871.

It is an arithmetic number, because the mean of its divisors is an integer number (264889191).

Almost surely, 2^5097786865 is an apocalyptic number.

It is an amenable number.

5097786865 is a deficient number, since it is larger than the sum of its proper divisors (1259553719).

5097786865 is an equidigital number, since it uses as much as digits as its factorization.

5097786865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121 (or 5050 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 61.

The square root of 5097786865 is about 71398.7875597338. The cubic root of 5097786865 is about 1721.0515996924.

The spelling of 5097786865 in words is "five billion, ninety-seven million, seven hundred eighty-six thousand, eight hundred sixty-five".