5717239779 has 12 divisors (see below), whose sum is σ = 7738478664. Its totient is φ = 3754596384.

The previous prime is 5717239763. The next prime is 5717239807. The reversal of 5717239779 is 9779327175.

It is a happy number.

It is not a de Polignac number, because 5717239779 - 2⁴ = 5717239763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5717239739) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 198802 + ... + 225735.

It is an arithmetic number, because the mean of its divisors is an integer number (644873222).

Almost surely, 2^5717239779 is an apocalyptic number.

5717239779 is a deficient number, since it is larger than the sum of its proper divisors (2021238885).

5717239779 is an equidigital number, since it uses as much as digits as its factorization.

5717239779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424674 (or 424607 counting only the distinct ones).

The product of its digits is 5834430, while the sum is 57.

The square root of 5717239779 is about 75612.4313787091. The cubic root of 5717239779 is about 1788.1150928246.

The spelling of 5717239779 in words is "five billion, seven hundred seventeen million, two hundred thirty-nine thousand, seven hundred seventy-nine".