5775779131 has 2 divisors, whose sum is σ = 5775779132. Its totient is φ = 5775779130.

The previous prime is 5775779117. The next prime is 5775779161. The reversal of 5775779131 is 1319775775.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5775779131 - 2¹³ = 5775770939 is a prime.

It is a super-2 number, since 2×5775779131² = 66719249140190230322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5775779111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2887889565 + 2887889566.

It is an arithmetic number, because the mean of its divisors is an integer number (2887889566).

Almost surely, 2^5775779131 is an apocalyptic number.

5775779131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5775779131 is an equidigital number, since it uses as much as digits as its factorization.

5775779131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620675, while the sum is 52.

The square root of 5775779131 is about 75998.5469005823. The cubic root of 5775779131 is about 1794.1972736180.

The spelling of 5775779131 in words is "five billion, seven hundred seventy-five million, seven hundred seventy-nine thousand, one hundred thirty-one".